Tom Williams’ journey to Head of Performance and Sport Science for Major League Soccer (MLS) powerhouse, the Los Angeles (LA) Galaxy, began at a crossroads: pursue traditional coaching or medical pathways. As a soccer “Swiss Army knife,” he embraced early sport science alongside coaching, building a career defined by collaboration and innovation. At the Galaxy, Williams is part of a web of support that uses rich data storytelling tailored to stakeholders and players, guiding decisions and infusing value in every encounter. This system drives their three key pillars: winning championships — including their recent record-breaking sixth MLS Cup — developing a robust academy pipeline, and leading innovation. In MLS’s “cultural melting pot,” Williams balances diverse backgrounds and short-term demands like fixture congestion while employing sustainable long-term strategies. With a unique full-time cognitive department and creative approaches like dodgeball warm-ups, he combines trust and ingenuity to elevate performance and presents a blueprint for those exploring emerging sport science.
Reach out to Tom on LinkedIn: @tom-williams and X/Twitter: @Williams26Tom | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs
Did you know MLS has a newly mandated Certified Performance and Sport Scientist® (CPSS®) role? Engage with NSCA’s Pro Sport Partner, the Professional Soccer Performance Association (PSPA), on social media to learn more:
Instagram: @pspa_performance
X/Twitter: @PSPA_perform
LinkedIn: @professional-soccer-performance-association
Strength and conditioning coaches should strive to teach athletes in a way they can understand: by hearing, seeing, and practicing. This article describes some techniques that a coach can use to accomplish this.
CoachesExercise TechniqueProgram designyouth athletic trainingyouth athletesmotivational toolsYouth training guidelineshow to motivate childrenhs-coaching
Many personal trainers work with clients who are dealing with musculoskeletal pain that has negative consequences both on the client’s ability to exercise and their activities of daily living. This article discusses the different types of pain, and describes targeted approaches for training clients with persistent musculoskeletal pain.
Personal trainersProgram designProfessional DevelopmentPainPain Management
This NSCA Coach article provides a proposes a framework for standardizing SEB resistance training based on principles of kinetic and potential energy. Visit NSCA online to read more on exercise science and sport performance.
CoachesExercise ScienceExercise TechniqueProgram designOrganization and AdministrationTesting and EvaluationClient Consultation|AssessmentSafetyProfessional DevelopmentForce–Velocity ProfileSeries Elastic Bands (SEBs)Resisted SprintingSprint MechanicsProgressive ResistanceAcceleration TrainingPotential Energy
Contracted Human Performance and Optimization Coach of 2nd Ranger Battalion, 75th Ranger Regimen Jeff Carroll talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his start in the field of strength and conditioning and his transition from professional athletes to a tactical population and setting. Topics under discussion include: Carroll’s career path, coaching professional athletes, transitioning to tactical strength and conditioning, and the future of tactical strength and conditioning.
CoachesOrganization and AdministrationProfessional Development
Dave Terry, Associate Director of Sports Performance at Georgetown University, talks to the former NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his time at Georgetown and the value of mentorship. Topics under discussion include building the intern program, creating relationships with the athletes, and different ways to think creatively, learn, and grow as a strength coach.
Find Dave on Instagram: @daveterry16
This is the third and final article of a series on strength training practices for rowing and will focus on the energy systems development of rowing athletes.
CoachesProgram designRowingEnergy Systems DevelopmentHeart RateBreathing Strategies