WHAT'S ON YOUR MIND?

Michael Mabry, Casey O’Neill, Andrew Stimmel, Alec Wortman, Mark "Mugs", Kip Turner OUR LEADERS Michael Mabry Partner and Co-Founder John Rothenberger Partner and Co-Founder Kip Turner VP- Richmond/Charlottesville Chazz Woodson VP- Hampton Roads/Richmond Casey O'Neill Partner Alec Wortman Sr. Director Patrick Tracy VP- Annapolis/Baltimore Trevor Tierney VP- Student-Athlete Development Director Andrew Stimmel Partner Mark Mickum Sr. Director Dr. Abby Latona Sr. Director Eric Seremet VP- New Jersey LEARN MORE Michael Mabry Partner and Co-founder Michael Mabry is A Partner and Co-Founder of One Play Development, where he leads the organization’s mission to positively impact youth sports. A passionate advocate for holistic athlete development, Michael is committed to empowering athletes to thrive mentally, physically, and emotionally both on and off the field. 2x Team Captain at Christopher Newport University All-State & All-Conference Defenseman Champion All-American Game selection (HS) Co-Founder of One Play Development (2022) Certified EXOS Performance Specialist, Precision Nutrition Coach, and Mental Performance Mastery Coach As a coach, Michael has held leadership positions in various top high school programs, specializing in player development, team culture, and mental performance. His certifications and experience as a trainer have allowed him to guide athletes through the mental and physical demands of high-level competition. Since co-founding One Play Development, Michael has directly impacted over 4,000 student-athletes, teaching them how to embody confidence, handle challenges, and positively impact others. His leadership in One Play Development continues to influence athletes, club team and high school programs across the country, helping athletes build confidence, overcome challenges, reach their highest potential and directly guide and influence teams toward developing winning records with winning cultures. "Teach the student to teach themselves” Email Michael Mabry bio-michael Casey O'Neill Partner Coach Casey O'Neill combines a storied coaching career with visionary leadership as a Partner at One Play Development, a role he has held since 2021. With 25 years of lacrosse coaching experience—including 14 as Head Coach at Gonzaga College High School—O'Neill's teams achieved: 211-54 career head coaching record | 123-12 WCAC coaching record 9 WCAC Championships | 4× WCAC Coach of the Year 4× Top 3 national finishes (9× Top 25) | 5× Washington Post #1 rankings 15 US Lacrosse All-Americans | 16 All-Met 1st Team selections 2010 All-Met & US Lacrosse (Potomac Chapter) Coach of the Year His accolades include Washington Post All-Met honors and mentorship of 130+ collegiate players, including 20 who served as college captains. O'Neill's leadership and athlete-first philosophy blend technical mastery with mental performance training. As Assistant Athletic Director for 14 years, O'Neill oversaw 17 sports and hundreds of coaches, helping elevate programs and student-athletes. A Lehigh University alumnus and recipient of its prestigious "Coach's Award," his NCAA and H.S. lacrosse playing career informs his approach to developing resilient, high-performing athletes and teams. At One Play Development, O'Neill drives 1v1 development, team building and culture strategy, staff mentorship, while his Mental Performance Mastery Program equips athletes with tools for on-field success and lifelong resilience. His dedication solidifies One Play’s reputation as the nation’s premier lacrosse institution. "It is amazing what can be accomplished when no one cares who gets credit" Email Casey O'neill bio-casey Andrew Stimmel Partner Andrew Stimmel brings unparalleled leadership and expertise as a Partner at One Play Development, following a distinguished career in NCAA and international lacrosse. Captain & Defensive MVP at Ohio State Youngest NCAA Head Coach with landmark victories at Marquette Team USA Gold Medalist (U-21 Defensive Coordinator) Led Yale as offensive coordinator to multiple Ivy League championships and National Championship in 2018 Developed over 30 collegiate All-Americans and developed 23 PLL, MLL & NLL Draft Picks A former Captain and Defensive MVP at Ohio State, Stimmel transitioned his on-field success into a prolific coaching career becoming one of the youngest NCAA Head Coaches ever. As the offensive coordinator he achieved national recognition by leading Yale to its first-ever National Championship in 2018, followed by a runner-up finish in 2019. His offenses rank among the most prolific in NCAA history. Stimmel also served as the Defensive Coordinator at Marquette University, helping the program secure its first-ever Big East Championship in 2016. A proven mentor and innovator, Stimmel’s leadership continues to empower athletes to excel on and off the field. His ability to prepare athletes, their families, as well as club and H.S teams to understand what it takes to go to the next level is a good as can be found. His commitment to winning with integrity drives his approach. “A good coach can change a game. A great coach can change a life” Email Andrew Stimmel bio-andrew Alec Wortman Sr. Director As a Senior Director of Mental Performance at One Play Development, Alec brings over a decade of experience supporting athletes at every level—from youth and high school to NCAA and international competition at the World Lacrosse Championship. Former Division I pole vaulter & team captain (University of Maine) Master's in Sport & Performance Psychology (National University) Key member of One Play Development since 2022 Specializes in mental strength coaching and athlete mentorship Leader in mental performance delivery and program accessibility Alec combines firsthand athletic experience with advanced education in mindset, neuroscience, and human performance. His work spans individual, team, and organizational levels, creating high-impact programs for athletes, coaches, and teams. Alec's mental strength coaching focuses not only on tailored mental skills training but also on guiding athletes through the pressures of competition, identity, and personal growth. He leads programs that foster confidence, focus, and resilience, both in-person and online, using science-backed strategies to help athletes unlock their potential. "You can't stop the waves, but you can learn to surf" Email Alec Wortman bio-alec mark bio Mark “Mugs” Mickum Sr. Director Mark “Mugs” Mickum is a nationally respected lacrosse goalie specialist with over 30 years of coaching experience in the Washington, D.C. metropolitan area. A former High School All-American at The Landon School and graduate of Washington College, Mickum has dedicated his career to training elite goalies at both the high school and collegiate levels. His coaching accomplishments include: 30+ years of goalie coaching experience 10+ High School & College All-Americans developed 20+ All-State, All-Met, and All-League selections 3× Markland Kelly Award winners coached 1 All-Metropolitan Player of the Year 2 High School National Championships 30+ Division I goalies mentored | Numerous standout Division III players 12+ years as Goalie Coach at Georgetown Preparatory School Contributor to 15 IAC Championships Coaching roles with multiple high school and club programs across the region Mickum’s goalies have gone on to compete at some of the nation's top academic and athletic institutions, including: University of Notre Dame, University of Maryland, Syracuse, Harvard, Yale, Penn, Virginia, Johns Hopkins, Navy, Michigan, Villanova, Boston University, Bucknell, Vermont, Colgate, and more. His decades-long commitment to excellence continues to shape the next generation of top-tier lacrosse goaltenders across the country. "People who are really successful in life, make the boring and tedious into an art form “ Email Mark "Mugs" Kip Turner Vice President - Richmond/Charlottesville Kip Turner is one of the most respected minds in lacrosse. He is widely regarded as one of the nation’s top coaches at the goalie and faceoff positions, having developed elite talent such as Alex Rode, Matthew Nunes, and Petey LaSalla—who became an NCAA record-holder and PLL Draft Pick under his guidance. Turner brings elite-level experience and tactical mastery as a coach, mentor, and former professional standout, helping to redefine goalie, faceoff, and transition play at the highest levels of collegiate lacrosse. 2× NCAA Champion as UVA Assistant Coach (2019, 2021) NCAA Champion, Defensive MVP & Starting Goalie – Virginia (2006) Mentored NCAA all-time leader in faceoffs taken and UVA’s all-time leader in faceoff wins & ground balls (Petey LaSalla) Coached multiple All-Americans including Alex Rode & Matthew Nunes Guided UVA to NCAA-best ground ball stats for 7 straight seasons MLL Champion, MLL Goalkeeper of the Year, and former No. 2 overall MLL Draft Pick 3× MLL Defensive Player of the Week A 2007 graduate of the University of Virginia, Turner has played a pivotal role in UVA’s resurgence as a national powerhouse under head coach Lars Tiffany. As the Cavaliers’ goalie and faceoff coach, transition coordinator, and contributor to offensive development, he’s been instrumental in seven consecutive winning seasons, multiple Final Four appearances, and two national titles. As a player, Turner was a USILA All-American and the Defensive MVP on Virginia’s undefeated 2006 national championship team. He then enjoyed a decorated nine-year MLL career, winning two league titles with the Chesapeake Bayhawks, one with the Boston Cannons, and earning MLL Goalkeeper of the Year honors. With six championship rings—one as a player at UVA, two as a UVA coach, two MLL titles with Chesapeake, and one with Boston—Turner’s legacy continues to grow. Off the field, his leadership, player development, and tactical insight have been key to his ongoing success. " Performance equals potential minus interference; it’s our job to maximize potential and minimize interference so that performance is optimal." Email Kip Turner kip bio Patrick Tracy Vice President - Annapolis/Baltimore Coach Tracy is a veteran collegiate coach and trusted mentor, bringing over two decades of high-level experience to One Play Development. A proven developer of talent, Tracy has dedicated his career to guiding athletes toward success in all aspects of their lives—on the field, in the classroom, and beyond. Played collegiately at Ohio State and Goucher College• Captain, Offensive MVP, and All-Conference attackman 21 years of coaching experience (Goucher College, Dartmouth College, UMBC, High Point University, Washington College) Developed over 20 college All-Americans and 18 professional lacrosse players (NLL, MLL, PLL) Developed 4 conference Rookies of the Year and 5 conference Players of the Year honorees; coached and mentored 2 All-Pro PLL players and 1 PLL Rookie of the Year Offensive Coordinator at High Point University, where they won multiple Southern Conference championships and an Atlantic Sun Championship. Defensive Coordinator at UMBC, where they won multiple America East championships. As both an offensive and defensive coordinator at the college level, his units ranked among the nation’s best. A longtime coach and mentor, Tracy has made a career out of developing and mentoring athletes to be successful in all facets of their lives. His knowledge of the game is outstanding, and his ability to coach and get the most out of his players both on and off the field is truly elite. He brings the perfect blend of lacrosse IQ, accountability, cutting-edge teaching, and non-negotiable fundamentals to his work with young athletes. He believes that working hard and doing things the right way consistently will always lead to success. "The principle is competing against yourself. It's about self-improvement, about being better than you were the day before." Email Patrick Tracy biopat Dr. Abby Latona Sr. Director Dr. Abby Latona brings over 12 years of elite coaching experience to One Play Development, with a proven track record of success at the youth, high school, and club levels in girls lacrosse. 3× WPIAL Champion Head Coach – Mars Area High School (PA) 2025 WPIAL 2A Coach of the Year 2024 USA Lacrosse Western PA Coach of the Year Co-Owner & Director – Steel City Lacrosse Club (PA) 2023 Western Pennsylvania Positive Athlete Most Positive Coach Former NCAA DIII Captain & All-ODAC Selection – Shenandoah University As Head Coach at Mars Area High School, Latona has built one of Western Pennsylvania’s top girls lacrosse programs, capturing three consecutive WPIAL titles, three section championships, and four state appearances. Her leadership has produced 15+ NCAA commits, USA All-Americans, and countless young women who have advanced in both athletics and academics under her mentorship. Her coaching style emphasizes leadership, discipline, positivity, and resilience—earning her regional and national recognition for both competitive success and player development. Driven to grow Pittsburgh lacrosse, Latona co-directs Steel City Lacrosse Club, one of the region’s top girls club programs, and has also coached for Xtreme Club Lacrosse in Lancaster, PA. A two-time captain and standout attacker at Shenandoah University, Latona was recognized for her athletic and academic achievements. This background shapes her focus on individualized skill development and cultivating a championship mindset both on and off the field. Holding a Doctorate in Occupational Therapy, Latona’s clinical expertise includes a focus on mental wellness for female student-athletes. She has been a practicing Pediatric OT for six years. With a focus on long-term development, Abby is dedicated to growing the game of girls lacrosse and helping young women foster a lifelong love for the sport. Her passion lies in empowering girls to thrive—not only on the field, but in life. “When we help girls thrive, we all win.” — Women’s Sports Foundation (2024) Email Abby Latona bioabby Chazz Woodson Vice President - Hampton Roads/ Richmond Chazz Woodson is a standout figure in the world of lacrosse and joins One Play Development after leading the nation's first and only [DI men's] HBCU lacrosse program through its foundational phase. Chazz's professional playing career spanned 13 seasons. Regarded as one of the sport's most electrifying players, the two-time MLL All-Star was known for his acrobatic style of play, that landed him on ESPN's Sports Center Top 10 list multiple times. Prior to being drafted into Major League Lacrosse, Woodson was a standout at Brown University. In both his junior and senior campaigns, he earned: All-Ivy League, All-New England, and the team's Offensive MVP honors. For his efforts, he was also recognized as a member of the 2000-2009 Brown University Lacrosse All-Decade Team. Career mentor, educator, and coach with over 20 years of experience developing athletes and young people off the field Served on the USA Lacrosse Board of Directors, founding member and coaching director for Nation United Lacrosse, and mentor with Big Brothers Big Sisters of Miami (FL) Coached multiple sports at youth, middle, and high school levels; taught in public and independent schools Chazz spearheads One Play Development's Hampton Roads office. He grew up in Norfolk, Virginia, and is a former three-sport student-athlete at Norfolk Academy and Blue Ridge School. He holds a bachelor's degree in Education Studies with a focus in Human Development and a master's degree in Coaching and Athletic Administration. “I owe a debt of gratitude to everybody who has poured into me throughout my life. The only way I know how to pay that debt off is to pay it forward. That’s my goal each day.” Email Chazz Woodson biochazz Trevor Tierney VP/Student-Athlete Development Director Trevor Tierney, a former champion coach and player at every level, brings extensive experience in athletics and education in psychology, leadership, and character development to his work with athletes and organizations. First goalie in lacrosse history to win NCAA, professional, and international championships Two-time NCAA DI National Champion & All-American at Princeton University Two-time Team USA Player, winning ILF Championship and All-World Goalie in 2002 MLL World Champion with the Baltimore Bayhawks in 2005 and 5x MLL All-Star Defensive Coordinator & Goalie Coach at University of Denver, winning 2015 NCAA DI National Championship Master’s in Psychology from Harvard Extension School with a focus on Adult Development Certified Excellence With Integrity Specialist A former two-time NCAA Champion and 2001 USILA Goalie of the Year at Princeton, Tierney went on to become one of the most decorated goalies in international and professional lacrosse. He earned All-World honors with Team USA, captured an MLL Championship, and was selected to five league All-Star games. Transitioning from elite player to coach, Tierney helped guide the University of Denver to three NCAA Final Fours and the program’s first-ever National Championship in 2015. His defensive leadership and goalie development have shaped some of the game’s top collegiate and professional athletes. Beyond the field, Tierney holds advanced training in psychology and leadership development, with psychology degrees from Princeton and Harvard Extension School, and is certified as an Excellence With Integrity Institute Specialist. His unique blend of championship-level athletic experience and developmental expertise equips him to mentor athletes, teams, and organizations in pursuit of excellence. "My mission is to help student-athletes achieve excellence through lacrosse while finding fulfillment and success both on and off the field." Email Trevor Tierney biotrevor Eric Seremet VP - New Jersey Eric Seremet, recognized for a distinguished career spanning over 25 years as a Division I lacrosse coach and professional player, brings his wealth of expertise to One Play Development. Seremet’s coaching career includes first-ever program accomplishments, such as conference championships, NCAA tournament appearances and victories, and professional draftees. 2014 IMLCA/NCAA Division I Coach of the Year 2022 IMLCA/NCAA Division I Assistant Coach of the Year 2x Conference Coach of the Year (ECAC 2014 / SoCon 2016) 3x Conference Champion / 3x NCAA tournament appearances at Air Force, including the program’s first NCAA tournament win 2021 NCAA tournament appearance at Rutgers, first since 2004, first win since 1990 2022 NCAA Final Four appearance with Rutgers, program record 15 wins 1991 National Champion as a player at the University of North Carolina, competing in 4 Final Fours and winning 4 ACC championships 8-year professional career in the NLL Under his leadership, 17 players earned All-America honors, 79 earned All-Conference, and 16 were drafted professionally. He mentored the USILA top midfielder and current PLL player Shane Knobloch in 2024. Off the field, 28 student-athletes earned Scholar All-America honors and 153 earned academic All-Conference recognition. A 7-time finisher of the Leadville Trail 100 run, Seremet channels his extensive background into a simple mission: helping players unlock their full potential and break through barriers. Through One Play Development, he continues his lifelong commitment to the sport by preparing the next generation of lacrosse players to compete with confidence, creativity, and discipline. “You’re better than you think you are, you can do more than you think you can.” Email Eric Seremet bioeric John Rothenberger Partner and Co-founder John is a co-founder of One Play Development and the day to day managing business partner. A multi-time successful entrepreneur , John's involvement in the business and One Play's partnership with Volition Partners , a proven startup and early-stage investor, assures viability and long-term success. His commitment to the proper development of athletes, coaches and entrepreneurs brings a unique perspective to the market of youth sports. "Your attitude, sportsmanship and team spirit will always make you a winner" Email John Rothenberger bio-john

One Play Development, formerly Mabry Academy, provides elite performance training to help athletes unlock their full potential and achieve lasting success—both in sport and in life. While our expertise is rooted in lacrosse, we proudly support athletes across a wide range of sports through proven mental, physical, and leadership development strategies. TRAIN YOUR MIND FOR SUCCESS IN SPORT AND LIFE. UNLOCK YOUR FULL POTENTIAL. ONE PLAY AT A TIME. Our PURPOSE is to develop and prepare youth athletes today for where they need to be tomorrow in sport and in life. Search WHAT ARE YOU LOOKING FOR? Player & Personal Development WE ARE CHANGING OUTCOMES One Play Development is a different kind of academy – one that is centered around performance excellence driven by personal integrity – our definition of winning. At One Play, we deliver elite level development, preparation, leadership, and knowledge transfer for athletes that aspire to the next level. Whether that be intermediate or NCAA level, our purpose is to develop and prepare youth athletes today for where they need to be tomorrow, in sport and in life. One Play Development was founded in 2022 by Michael Mabry and John Rothenberger in an effort to address the large and growing challenges in American youth sports. Our reach is nationwide through our unique in-person and virtual programs where we deliver advanced performance enhancement and preparation for the athletes that aspire to the next level. Our approach is comprehensive so that we can unlock the full potential of every person we work with. Our commitment to our customers is: learn how to win properly on your personal path through sports and life. START NOW OUR LEADERS OUR TEAM, YOUR MENTORS OUR OFFERINGS DEVELOP WITH THE BEST SYSTEM IN THE COUNTRY 1:1 VIP Development More Info NCAA College Roadmap More Info Team Mental Strength Training & Integration More Info Intensive Group Training More Info Development Seminars More Info Mental Performance Integration for Organizations More Info TESTIMONIALS "One Play Development has completely changed the way I operate on a daily basis and the perspective in which I view my sports performance. They have equipped me with tools that I will consistently utilize and carry with me for the rest of my life, in sports, academics, my future profession, and my relationships." OUR WHY OUR MISSION & PURPOSE To develop and prepare youth athletes today for where they need to be tomorrow in sport and in life . Our mission is to set the new standard for player and personal development on a national scale. At our core, we are unwaveringly devoted to the proper, elite level development of youth athletes through specialized sport performance and lifestyle alignment. Our approach is grounded in essential professional values, authenticity and integrity. We prioritize delivering a comprehensive and impactful experience for every person we work with. OUR CORE VALUES OUR BELIEFS We firmly believe that sports, coupled with expert guidance, possess the transformative power to elevate student athletes to unprecedented levels of performance and wellness. This ripple effect extends beyond the individual, enriching both the athletes themselves and the broader community. By fostering this synergy, we aspire to leave a massive, positive, lasting impact on youth athletes and their surrounding communities. ELITE TEAMS TRUST US. SO CAN YOU . WOULD YOU LIKE TO KNOW MORE ABOUT THE ONE PLAY DEVELOPMENT? Skills and Strength that goes beyond the field. CONTACT FOLLOW US ON INSTAGRAM Load more

One Play Development provides elite performance training to help athletes unlock their full potential and achieve lasting success—both in sport and in life. While our expertise is rooted in lacrosse, we proudly support athletes across a wide range of sports through proven mental, physical, and leadership development strategies. ONE PLAY SHOP ATHLETE ESSENTIALS Click here to browse products

1:1 VIP Development, NCAA College Roadmap, Team Mental Strength Training & Integration, Group Training, Development Seminars, Mental Performance Integration for Organizations PROGRAM SERVICES DEVELOP WITH THE BEST SYSTEM IN THE COUNTRY MASTER THE MOMENT. DOMINATE THE FUTURE. One Play Development firmly believe that sports, coupled with expert guidance, possess the transformative power to elevate student athletes to unprecedented levels of performance and wellness. This ripple effect extends beyond the individual, enriching both the athletes themselves and the broader community. By fostering this synergy, we aspire to leave a massive, positive, lasting impact on youth athletes and their surrounding communities. OUR OFFERINGS 1:1 VIP Development Elite level, customized development programs designed for the individual to rapidly accelerate development and winning. NCAA College Roadmap Receive step by step guidance from experts who understand this process at every level. This program is designed for players who aspire to play at the NCAA level. Currently enrolling students in the Class of 2027 & 2028. Team Mental Strength Training & Integration Elevate your team's performance with our Team Mental Strength Training & Integration. This program focuses on uniting the strengths of individuals, fostering resilience, and developing effective communication and leadership. Experience the power of a mentally robust team that excels on and off the field. Intensive Group Training Our seasonal group training program is recognized as one of the best in the country, designed to foster both player and personal development, season by season. We utilize a blend of in-person and virtual resources to ensure our athletes have the tools and support they need to reach their full potential. Winter Compete to Elite - In-person & Online Spring of Champions - Online Summer Season - In-person & Online Fall Season - In-person & Online Development Seminars Bring in One Play Development staff to quickly upgrade your culture's approach to performance and achievement. Mental Performance Integration for Organizations Provide your community with elite level support by integrating One Play Development's curriculum. Within a week you can dramatically change the experience and outcome of your program. Got a question for us? CONTACT US! WE'RE HERE TO HELP CONTACT US

Kip Turner Joins One Play! We are proud to announce that world class goalie and coach, Kip Turner, has officially joined One Play. "Kip Turner is one of the most respected minds in lacrosse. He is widely regarded as one of the nation's top coaches at the goalie and faceoff positions, having developed elite talent such as Alex Rode, Matthew Nunes, and Petey LaSalla - who became an NCAA record-holder and PLL Draft Pick under his guidance. Turner brings elite-level experience... WELCOME COACH ERIC SEREMET Driving excellence and shaping tomorrow’s leaders, One Play is excited to welcome Coach Eric Seremet! Eric Seremet brings championship-level experience and leadership to One Play Development as we expand to serve more athletes. A 1991 National Champion at North Carolina and eight-year NLL professional, Eric has also built historic programs as a Division I coach, earning multiple Coach of the Year honors and guiding teams to conference titles, NCAA tournament wins, and professional draft selections. Known for developing elite athletes and leaders, Eric has mentored All-Americans, professional players, and scholar-athletes, fostering skill, discipline, and resilience on and off the field. Through One Play Development, Eric now helps inspire the next generation of players, coaches, and teams to reach their full potential and compete with confidence and creativity. To learn more about Eric Seremet’s journey: Learn More WELCOME COACH TREVOR TIERNEY Expanding our reach, elevating our impact — One Play adds Coach Trevor Tierney! Trevor Tierney brings championship experience and leadership to One Play Development as we grow to serve more athletes. The first goalie in lacrosse history to win NCAA, professional, and international titles, Trevor is a two-time NCAA Champion and All-American at Princeton, five-time MLL All-Star, and All-World honoree with Team USA. After his playing career, he helped lead the University of Denver to its first NCAA DI National Championship as Defensive Coordinator and Goalie Coach. With advanced training in psychology and leadership development, Trevor now helps One Play inspire the next generation of players, coaches, and teams to achieve excellence. To learn more about Trevor Tierney’s journey: Learn More WELCOME COACH CHAZZ WOODSON Chazz Woodson joins One Play, bringing championship experience and leadership to the next generation! Chazz Woodson is a standout figure in the world of lacrosse and joins One Play Development after leading the nation's first and only [DI men's] HBCU lacrosse program through its foundational phase. Chazz's professional playing career spanned 13 seasons and 7 teams. Regarded as one of the sport's most electrifying players, the two-time MLL All-Star was known for his acrobatic style of play, that landed him on ESPN's Sports Center Top 10 list multiple times. Beyond the field, Woodson has over 20 years of experience as a coach, educator, and mentor. He led the nation’s first DI HBCU men’s lacrosse program, served on the USA Lacrosse Board of Directors, co-founded Nation United Lacrosse, and has guided athletes at every level. Holding degrees in Education Studies and Coaching & Athletic Administration, he now spearheads One Play’s Hampton Roads office, inspiring the next generation of players and leaders. To learn more about Chazz Woodson’s journey: Learn More WELCOME COACH DR. ABBY LATONA We’re growing, and we’re proud to welcome Dr. Abby Latona to One Play! With 12+ years of coaching experience, Dr. Latona has built championship programs at Mars Area High School and Steel City Lacrosse Club. She’s a 3× WPIAL Champion, 2025 WPIAL Coach of the Year, 2024 USA Lacrosse Western PA Coach of the Year, and a former NCAA DIII captain at Shenandoah. Holding a Doctorate in Occupational Therapy, she brings expertise in mental wellness alongside her coaching, helping athletes build resilience and balance. Her leadership has produced NCAA commits, USA All-Americans, and nationally recognized players, while her player-first approach empowers young women to thrive on and off the field. To learn more about Dr. Abby Latona’s journey: Learn More WELCOME COACH PATRICK TRACY We’re thrilled to welcome Coach Tracy to the One Play roster of elite coaches! A seasoned leader with 21 years on the sidelines, Coach Tracy has guided championship programs at High Point, UMBC, Dartmouth, Washington College, and more. He’s crafted top-ranked offensive and defensive units, developed 20+ All-Americans, 18 pro athletes, and multiple conference award winners — including PLL stars and a Rookie of the Year. As a former captain and standout attackman at Ohio State and Goucher, he blends deep game knowledge with a relentless commitment to fundamentals, player growth, and competitive excellence. To learn more about Coach Tracy’s journey: Learn More WELCOME COACH KIP TURNER We are proud to announce that world class goalie and coach, Kip Turner, has officially joined One Play! Kip Turner is one of the most respected minds in lacrosse. He is widely regarded as one of the nation's top coaches at the goalie and faceoff positions, having developed elite talent such as Alex Rode, Matthew Nunes, and Petey LaSalla - who became an NCAA record-holder and PLL Draft Pick under his guidance. Turner brings elite-level experience and tactical mastery as a coach, mentor and former professional standout, helping to redefine goalie, faceoff, and transition play at the highest levels of collegiate lacrosse. To read more about Coach Turner's j ourney: Learn More WELCOME COACH MARK “MUGS” MICKUM We’re excited to announce that Mark “Mugs” Mickum, one of the most respected goalie coaches in the country, is joining our team! With over 30 years of coaching experience in the Washington, D.C. metro area, Coach Mickum brings unmatched expertise and a legacy of excellence to our lacrosse program. Coach Mickum’s former players have gone on to compete at prestigious universities including Notre Dame, Maryland, Syracuse, Harvard, Yale, Penn, Virginia, Johns Hopkins, Navy, Michigan, Villanova, Boston University, Bucknell, Vermont, Colgate, and more. His decades-long dedication to the craft of goaltending and athlete development will be an incredible asset to our players and community. To read more about Coach Mickum's j ourney: Learn More What a great weekend being involved with two of the greatest events in lacrosse! Coach Casey O'Neill led an interactive workshop for the Senior Boys and Girls Teams on Saturday before the New Balance All America Game. Coach Michael Mabry was down in Dallas, leading workshops and serving as the Keynote Speaker for the Adrenaline All American Event. We are incredibly grateful to play a role in honoring our games great players and people!

Led by experts who know what it takes to perform at the highest level, our Group Training delivers more than just drills. Sessions are built around clear teaching, purposeful repetition, and the small details that separate good from great. Lacrosse Group Training Led by experts who know what it takes to perform at the highest level, our Group Training delivers more than just drills. Sessions are built around clear teaching, purposeful repetition, and the small details that separate good from great. Every player develops stronger skills, sharper focus, and greater confidence. Based on our locations, we provide various schedules and structures, all designed based on what is best for that group of players. All of our group training students receive access to our weekly mental performance sessions. NOVA FALL TRAINING: 2030/2031 Offense: 2032/2033 Offense: High School Offense: ROCKVILLE FALL TRAINING Middle School Offense: Middle School Defense: High School Offense: High School Defense: Details & Registration Details & Registration Details & Registration Details & Registration Details & Registration Details & Registration Details & Registration Based on our locations, we provide various schedules and structures, all designed based on what is best for that group of players. All of our group training students receive access to our weekly mental performance sessions. ANNAPOLIS TRAINING: High School Defense: High school Offense: Middle school Defense: Middle School Offense: Details & Registration Details & Registration Details & Registration Details & Registration CHARLOTTESVILLE TRAINING: Goalies: Details & Registration Pittsburgh Group Training Annapolis Group Training Charlottesville/Richmond Group Training Hampton Roads Group Training Charleston, SC Group Training Virginia Group Training Rockville Group Training contact contact contact contact contact contact contact

Interested in learning more about our programs or need to reach out to a coach? Get in Touch Interested in learning more about our programs or need to reach out to a coach? Please select the best option, and you will be redirected to fill out the appropriate form. Once that is completed and sent, a member of our staff will be in contact within 48 hours. Thank you! Email Coach Michael Mabry Email Coach Andrew Stimmel Email Coach Casey O'Neill Email Coach Alec Wortman Email Coach Mark "Mugs" Email Coach Kip Turner Email Coach Pat Tracy Email John Rothenberger Email Coach Abby Latona Email Coach Chazz Woodson Email Coach Trevor Tierney Email Coach Eric Seremet

One Play Development, formerly Mabry Academy, is a different kind of academy – one that is centered around performance excellence driven by personal integrity – our definition of winning. At One Play, we deliver elite level development, preparation, leadership, and knowledge transfer for athletes that aspire to the next level. Whether that be intermediate or NCAA level, our purpose is to develop and prepare youth athletes today for where they need to be tomorrow, in sport and in life. THE ONE PLAY One Play Development is a different kind of academy – one that is centered around performance excellence driven by personal integrity – our definition of winning. At One Play , we deliver elite level development, preparation, leadership, and knowledge transfer for athletes that aspire to the next level. Whether that be intermediate or NCAA level, our purpose is to develop and prepare youth athletes today for where they need to be tomorrow, in sport and in life. One Play Development was founded in 2022 by Michael Mabry and John Rothenberger in an effort to address the large and growing challenges in American youth sports. Our reach is nationwide through our unique in-person and virtual programs where we deliver advanced performance enhancement and preparation for the athletes that aspire to the next level. Our approach is comprehensive so that we can unlock the full potential of every person we work with. Our commitment to our customers is: learn how to win properly on your personal path through sports and life. WE CHANGE OUTCOMES Contact us to learn more. COLLEGES AND UNIVERSITIES