Executives and Board Members


Glenn Fleisig, Ph.D.

Ranked by Expertscape as the top expert in the world on baseball science and medicine, Glenn Fleisig, PhD, earned his engineering degrees from MIT, Washington University, and UAB. Dr. Fleisig is the Research Director of the American Sports Medicine Institute, where he has been since ASMI’s inception in 1987. Much of ASMI’s research under Dr. Fleisig has focused on baseball pitching biomechanics, identifying mechanics for minimizing elbow and shoulder loads while maximizing ball velocity and accuracy. Dr. Fleisig and his team have analyzed thousands of baseball pitchers, from youth level to Major Leaguers, providing individualized recommendations for safety and performance. Dr. Fleisig has supervised 220 student researchers (biomechanical and medical) at ASMI and also serves as an adjunct professor in biomedical engineering at UAB.

Dr. Fleisig has published 200 scientific articles, book chapters, and books in collaboration with colleagues at ASMI and other institutions. He has delivered 350 presentations throughout the world and has been interviewed for thousands of stories by the media. In addition, Dr. Fleisig works on policy and guidelines as chair of the USA Baseball Medical & Safety Advisory Committee, injury research advisor for Major League Baseball, and safety consultant for Little League Baseball.

“Biomechanics is the new ‘Moneyball’ in baseball. We have the opportunity and ability to enable the athletes to maximize their performance and minimize their risk of injury.”




Gretchen Oliver, Ph.D.

Gretchen is the director of the Sports Medicine & Movement Laboratory at Auburn University. She received her PhD from Texas Woman’s University in Biomechanics. She is a Fellow of the American College of Sports Medicine, a Certified Athletic Trainer, and a Corrective Exercise Specialist. She is an active member of the American College of Sports Medicine, National Athletic Training Association, National Strength and Conditioning Association, American Society of Biomechanics, International Society of Biomechanics, International Shoulder Group, and Pediatric Research in Sports Medicine. Her primary research focus is on injury prevention and performance enhancement in youth baseball and softball athletes. Among her peers, both nationally and internationally, she is known as the expert in not only youth baseball and softball injury prevention but also the biomechanics of windmill softball pitching.

“I’m interested in injury prevention and performance enhancement in baseball and softball athletes. Major focus on youth and injury prevention in both baseball and softball. Additional focus is on pain history and pitching mechanics in collegiate softball pitchers.”

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VP Conferences

Bryson Nakamura, Ph.D.

Bryson Nakamura is the Director & Head Sport Scientist for the Stanford Baseball Science Core. Nakamura will lead baseball sports science research efforts while also supporting the Stanford Baseball team.

Nakamura previously spent six seasons with the Milwaukee Brewers Baseball Club in various sports science and performance roles. In his years with the Brewers, Nakamura established the Integrative Sports Performance department, which aimed to leverage sport science processes and principles to help put the Brewers at the forefront of data-driven player development methods and to enhance and support all functions of baseball operations. In his final year with the club, he was also responsible for overseeing minor league strength and conditioning in his role as the Director of Player Performance.

Prior to joining the Brewers, Nakamura was a sports science intern with the Tampa Bay Rays while completing his doctorate at the University of Oregon in the Bowerman Sports Science Clinic. At Oregon, his primary research focused on gait characteristics of lower-extremity amputees, while his clinical work focused on the assessment of biomechanical and physiological performance factors for high-level distance runners. He graduated with a bachelor’s degree from the University of Puget Sound in Exercise Science where he played baseball and conducted research focused on balance and footwear product design.

“I’m interested in the maximization of on-field pitching and hitting performance.” 


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VP Social Media

Megan Stewart, Ph.D.

Megan Stewart is going into her second season with the Milwaukee Brewers in Integrative Sports Performance. Prior to her role as an analyst with the Milwaukee Brewers, she was a sports biomechanist at The American Sports Medicine Institute. Megan was elected as the  International Society of Biomechanics student representative from 2019-2021 as well as serves on committees for the International Society of Biomechanics in Sports and Advancing Women in Biomechanics. 

Prior to working at The American Sports Medicine Institute, Megan spent time in Mississippi where she completed her B.S degree in Exercise Science at The University of Mississippi and Kentucky where she completed her M.S degree in Kinesiology and Health Promotion with an emphasis in Sports Biomechanics at The University of Kentucky. Since then she has completed her Ph.D. in Health and Human Performance with an emphasis in Biomechanics. Her research primarily focused on the upper extremity and lower extremity muscle activation as well as kinematics for fastballs and curveballs when thrown from the wind-up and stretch. Her doctoral dissertation focused on baseball hitting and vision.

“I’m interested in sports performance and injury prevention in athletes working with motion capture, force plates, electromyography and new athletic technology.”


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Matt Chan, Ph.D.

Dr. Matthew (Ming-Sheng) Chan is the Senior Biomechanics and Performance Scientist at the Meyer Institute of Sport (MIS) and an Adjunct Assistant Professor in the Division of Biokinesiology and Physical Therapy at the University of Southern California. Dr. Chan’s research blends human movement science and data science to understand sports-related injury mechanisms and optimize athlete performance. Dr. Chan aims to use the data-informed approach to help all athletes achieve their goals regardless of their ages and competition levels.

Before joining the MIS, Dr. Chan was the Sports Science Analyst and Lead Biomechanist with the San Francisco Giants. He collaborated across all departments to integrate baseball analytics, sports science, and biomechanics to identify and maximize baseball talents. Dr. Chan earned his Ph.D. from the University of Southern California in Biokinesiology with an emphasis in Biomechanics. During his doctoral career, his research utilized concepts from biomechanics and motor adaptation to understand the persistence of movement deficits following sports-related injury and surgery using wearable sensors. Before obtaining his doctorates, Dr. Chan completed his M.S. in Sports Biomechanics in Taiwan and earned his B.S. in computer science.

As a board member in ABBS, Dr. Chan hopes to establish an industrial standard to best practice biomechanics with technology.

“I am interested in integrating Biomechanics and Sabermetrics to better evaluate and maximize baseball performance while mitigating injuries”

“I am interested in integrating Biomechanics with baseball analytics to better evaluate and maximize performance while mitigating injuries”


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Secretary General

Hillary Plummer, Ph.D.

Hillary Plummer completed her undergraduate studies at Georgia College & State University in Exercise Science. She then obtained a Master’s degree in Athletic Training from the University of Arkansas before she completed a PhD in Kinesiology at Auburn University. Following the completion of her PhD studies, she did a 2-year postdoctoral fellowship at the University of Southern California under the direction of Dr. Lori Michener. The focus of her research is to identify deficits in modifiable physical factors that prognosticate upper extremity injuries in overhead athletes. The long-term goal of this work is to identify athletes who may be at an increased risk of injury, and to establish a foundation for prevention programs aimed at reducing upper extremity injury.

“I’m interested in identifying deficits in modifiable physical factors that prognosticate upper extremity injuries in overhead athletes. The long-term goal of this work is to identify athletes who may be at an increased risk of injury, and to establish a foundation for prevention programs aimed at reducing upper extremity injury.”  


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Anthony Brady, M.S.

Anthony Brady is the Head Biomechanist and Assistant Director of Research and Development at Driveline Baseball. He has been with Driveline for 4 years now. Brady manages and oversees all biomechanics-related projects, from biomechanics assessments and reporting to research initiatives. Driveline Baseball provides a comprehensive player development program for all players at every level of the game using data-driven training methods and implements. Through Driveline, Brady has worked with teams and players across the country and around the world (All over America, the Dominican Republic, Japan) capturing biomechanical pitching assessments.

Prior to working with Driveline Baseball. Brady earned his B.S. in Exercise Science from the University of Puget Sound (2016) and M.S. Biomechanics from University of Northern Colorado (2018). During his time in college, Brady had back to back Tommy John Surgeries keeping him from pitching for 3 years while at UPS. After successfully rehabbing from the second surgery, Brady went on to pitch at UPS before graduating and pitched for 2 more years at UNC while earning his Masters Degree. His research interests and focus are primarily in optimizing pitching performance in all areas and creating resources and information for baseball players at all levels to develop and improve.

“I’m interested in baseball pitching, hitting, and strength & conditioning.”

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Georgia Giblin, Ph.D.

Georgia Giblin is currently the Director, Performance Science with the Detroit Tigers. Georgia oversees the Performance Science department and is responsible for researching, planning, and implementing performance science solutions. She works across multiple departments within the organization with the goal of optimizing player performance and mitigating injury risk.  Prior to joining the Tigers, Georgia spent one year at the University of Michigan as a post-doctoral fellow. Before moving to the US, Georgia spent 4 years as a biomechanist at the Queensland Academy of Sport, supporting Australia’s Olympic athletes across Track & Field, Softball, Triathlon, and Archery. Georgia completed her Ph.D. in Biomechanics and Motor Learning at Victoria University in Melbourne, in partnership with Tennis Australia where she investigated the relationship between how coaches perceived technical changes in movement, and subsequently how athletes implement varying levels of feedback into their movement patterns.

“I believe biomechanics in baseball is the next big frontier, but the real value lies in how we as biomechanists can translate the information to create actionable changes with our coaches and players.”


Ben Hansen, B.S.

Ben Hansen is currently the Product Engineering Lead- AI & Sports Technology for Intel’s Olympic Technology Group. Prior to joining Intel, Hansen spent 2 years as a Senior Biomechanical Engineer with the Chicago White Sox, overseeing the acquisition of Motus Global’s biomechanics lab, database, and motusTHROW IP/source code.

Hansen spent 8 years serving as CTO and VP of Biomechanics at Motus Global, pioneering wearable technology for baseball pitchers alongside contracting biomechanics lab services to sports teams. 

Hansen has a B.S. in biomedical engineering and mathematics from the Milwaukee School of Engineering. During his Ph.D. candidacy at Marquette University (biomedical engineering), Hansen was a motion capture technician for the Milwaukee Brewers and was a summer intern at the American Sports Medicine Institute. Hansen departed his studies to join Motus Global as their first employee.

“I’m focused on bringing human biomechanics to the masses via computer vision, hardware, and software development.”

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Kristen Nicholson, Ph.D.

Kristen Nicholson, PhD, joined the Wake Forest pitching lab staff in October 2018 as the director of the lab and lead of biomechanics research. She earned her undergraduate in Mathematical Science from Clemson University in 2010 and her MS and PhD in Biomechanics and Movement Science from the University of Delaware in 2015. Dr. Nicholson wrote her dissertation on a mathematical model for measuring scapular motion and became an expert in upper extremity biomechanics.

While at the University of Delaware, Dr. Nicholson was the project lead on a collaborative project between US Figure Skating, the University of Delaware, and C-Motion. The project was designed to facilitate the performance of triple and quad revolution jumps by Olympic and pre-Olympic skaters. 

For three years before coming to Wake Forest, Dr. Nicholson worked as a biomechanical research engineer at Nemours/A. I. duPont Hospital for Children in Wilmington, Delaware. During this time she augmented her clinical skills while developing her own research interests. Dr. Nicholson has a particular interest in the development of non-invasive tools and methods for assessing kinematics and implementing scapular kinematics in baseball pitching. 

Dr. Nicholson is currently an Assistant Professor in Orthopaedic Surgery at Wake Forest Baptist Medical Center in Winston-Salem, North Carolina.

“I’m interested in optimizing pitching performance while reducing injury risk, using motion capture and biomechanics as a player development tool, and implementing scapular kinematics in baseball pitching”

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Rob Shapiro, Ph.D.

Robert Shapiro, Professor Emeritus at the University of Kentucky, received his M.S. with a major in biomechanics from Penn State in 1974 and his Ph.D., with a major in human biomechanics, from the University of Illinois at Urbana-Champaign in 1979. He served on the faculty at Northern Illinois University from 1977-85, where he founded their biomechanics laboratory.  From 1985 until his retirement in 2017 he served on the faculty of the University of Kentucky in the Department of Kinesiology and Health Promotion with a joint appointment in Biomedical Engineering. In addition, Dr. Shapiro founded and directed the multidisciplinary Biodynamics Laboratory. His research interests include whole body biomechanical analysis with special emphasis on injury mechanisms and evaluation of musculo-skeletal function. Dr. Shapiro has collaborated with faculty in Sports Medicine, Orthopaedics, Biomedical Engineering, Computer Science, Athletic Training, and Physical Therapy. He has also collaborated with professional and Olympic sport teams. Instrumentation utilized in the laboratory included high speed 3-D videography, electromyography and force platforms.

Dr. Shapiro is a founding member of both the International and American Societies of Biomechanics.  He served as Secretary-Treasurer of ASB from 1998-2001.  He currently is an Emeritus member of both biomechanics societies as well as the American College of Sports Medicine.

From 1981-1993 Dr. Shapiro collaborated with Dr. James Boscardin, team physician for the Chicago White Sox, on projects related to the biomechanics of pitching and batting.  During this time period, Dr. Shapiro took high-speed 16mm films of pitchers and batters during both regular-season games at Comiskey Park and spring training games in Sarasota, Florida.  These films were analyzed using traditional 2-D techniques.  The biomechanics report on pitchers generated for the White Sox based on the 1983 baseball season is now part of the collection in the National Baseball Hall of Fame along with the high-speed films.


Jon Slowik, Ph.D.

Jon Slowik is a Research Biomechanist at the American Sports Medicine Institute (ASMI). He works on a wide variety of sports biomechanics projects, incorporating motion capture, advanced modeling capabilities, and/or computer simulation techniques. The primary goals of his research are 1) to reduce sports-related injuries and 2) to optimize on-field performance. In addition to his role in designing and executing these research studies, he also leads the development of innovative technologies for data collection, processing, and analysis.

Jon received his BS in Mechanical Engineering from the Massachusetts Institute of Technology in 2006 and joined Orbital Sciences Corporation, working on the mechanical design of geosynchronous communication satellites. Jon left Orbital to attend the University of Texas at Austin, where he received his MS and PhD in Mechanical Engineering while a National Science Foundation Graduate Research Fellow and a member of the Neuromuscular Biomechanics Laboratory. His research focused on the biomechanics of wheelchair propulsion with the goal of reducing upper extremity pain and injury. Following a brief term as a Postdoctoral Fellow at the University of Pittsburgh (Human Engineering Research Laboratories), he joined ASMI in late 2016.

“I’m interested in reducing sports-related injuries while also optimizing on-field performance.”

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Matt Solomito, Ph.D.

Matt graduated with a BS in Biomedical Engineering from Western New England College (now University) and completed his PhD in Biomedical Engineering and Biomechanics from the University of Connecticut. While completing his graduate degrees, Matt worked at Connecticut Children’s Medical Center in their Center for Motion Analysis where he conducted numerous sports biomechanics assessments. His primary research focus was on pitching biomechanics and attempting to find an optimal relationship between reducing joint moment and increasing ball velocity. Matt has authored or co-authored over 24 papers on pitching biomechanics. He is currently working at the Bone and Joint Institute at Hartford Hospital in Hartford, CT. 

“I’m interested in Motion Analysis, Sports Biomechanics, Pitching mechanics, Injury prevention, Sports Performance, and Modeling.” 


Ethan Stewart, M.S.

Ethan Stewart is in his first season with the Reds organization after spending the past two seasons (2020-2021) with the Baltimore Orioles as the Player Performance Facilitator. Prior to his time with the Orioles, Ethan spent two seasons as the Sports Science intern in the Gulf Coast League for the Tampa Bay Rays, as well as teaching biomechanics at the collegiate level. Originally from Carrollton, KY, Ethan obtained his bachelor’s degree in kinesiology and his master’s degree in kinesiology (biomechanics) from the University of Kentucky. He is currently completing his doctoral work in exercise science (biomechanics) at Mississippi State University. Ethan currently lives in Peoria, AZ with his wife, Megan.

“I’m interested in sports performance and injury prevention.” 

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