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
In this article, three outstanding fitness professionals share their thoughts and experiences on the importance of communication in the personal training field.
Personal trainersProgram designProfessional Developmentpersonal trainingcommunication skillshow to be an effective personal trainerPersonal trainers
This article seeks to provide personal trainers with eight brief modifications that clients can benefit from if they suffer from both acute and chronic lower back pain (LBP).
Personal trainersExercise TechniqueProgram designLow Back PainConventional Back SquatMachineBracingCore Stability
This NSCA Coach article offers a brief description on the various methods for setting resistance training loads. Visit NSCA online to read more on strength training and program development.
CoachesExercise ScienceExercise TechniqueProgram designOrganization and AdministrationTesting and EvaluationClient Consultation|AssessmentSafetyProfessional DevelopmentIntensity Based TrainingStrength CoachesPower LiftingFatiguerepetitions in reserve (RIR)relative intensity (RI)repetition maximum (RM)velocity-based training (VBT)
Part 2 of this series on allostatic load theory will focus on how monitoring personnel holistically can contribute to a well-rounded health and performance model supporting the tactical athletes.
TSAC FacilitatorsExercise ScienceProgram designTesting and EvaluationAutonomic Nervous SystemProgram DesignTesting and Evaluation
This NSCA Coach article examines strength and conditioning strategies for collegiate distance runners to build performance for outdoor competition. Visit NSCA online to read about sport science.
CoachesExercise ScienceExercise TechniqueProgram designOrganization and AdministrationTesting and EvaluationBasic Pathophysiology and Science of Health Status or Condition and Disorder or DiseaseProfessional DevelopmentReturn To Play (RTP)NCAA AthleticsMuscular EnduranceExercise ProgramsAerobic PowerWeight TrainingRunningCollege Track and FieldWomen Sports
This NSCA Coach article explores how intergenerational training can boost youth fitness participation and foster a lifelong appreciation for physical activity. Visit NSCA online to read more on youth development.
CoachesExercise ScienceExercise TechniqueProgram designOrganization and AdministrationSafetyProfessional DevelopmentAthletic ReadinessMotor SkillsLTADFitness ParticipationFamily Fitness ProgramsKids Exercise MotivationYouth Fitness Training
Emerging evidence suggests that omega-3 fatty acids may play a beneficial role in preservation of, and increases in, skeletal muscle mass. This is of particular relevance to the elderly who display age-related declines in muscle mass and function.
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