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
This article is part of a continuing series of tactical strength and conditioning (TSAC) research reviews. It is designed to bring awareness to new research findings of relevance to tactical strength and conditioning communities.
TSAC FacilitatorsExercise ScienceProgram designTesting and EvaluationMilitary TrainingYogaFirefightersRecruitsLaw Enforcement
This article is part of a continuing series of tactical strength and conditioning (TSAC) research reviews. It is designed to bring awareness to new research findings of relevance to tactical strength and conditioning communities.
TSAC FacilitatorsExercise ScienceProgram designTesting and EvaluationClient Consultation|AssessmentSafetyEmergency ProceduresLegal IssuesBasic Pathophysiology and Science of Health Status or Condition and Disorder or DiseaseProfessional DevelopmentFirefightersLaw EnforcementROTC CadetsRuck MarchSkeletal Muscle
This Personal Trainers Quarterly article shares considerations to counteract the decline of muscular fitness in older adults. Visit NSCA online to read more on corrective exercises, health, and fitness
Personal trainersExercise ScienceExercise TechniqueProgram designTesting and EvaluationClient Consultation|AssessmentProfessional DevelopmentFunctional PerformanceMuscular FitnessNeuromuscular SystemAgingSeniorsMobilityPowerResistance Training
This article will demonstrate why personal trainers should consider the use of blood flow restriction (BFR) and BFR technology for appropriate medically-screened clients that provides an objective way to apply pressure, whether that is through manual or automated cuffs.
Personal trainersExercise ScienceProgram designTesting and EvaluationClient Consultation|AssessmentSafetyBasic Pathophysiology and Science of Health Status or Condition and Disorder or DiseaseProfessional DevelopmentBFRcapillarizationhypertrophymuscle fatigueaerobic exerciseresistance trainingblood flow restrictionMulti-joint exercise
Catch up on this presentation from the 2024 NSCA Coaches Conference with Major League Baseball (MLB) Tampa Bay Rays Strength and Conditioning Coach, Joey Greany. Greany takes NSCA Coaching Program Manager, Eric McMahon, on a deep dive into plyometrics for a wide range of athletes. He also shares the importance of professional development for strength and conditioning coaches. Tune in to learn in-season training tips and how the NSCA inspired Greany’s path to the Big Leagues.
As mentioned in the episode, here is a link to learn more about the Professional Baseball Strength and Conditioning Coaches Society (PBSCCS).
Connect with Joey on Instagram at: @joeygreany | Find Eric on Instagram: @ericmcmahoncscs or X (Twitter): @ericmcmahoncscs
This TSAC Report article highlights ruck performance for tactical athletes with key insights on load carriage biomechanics, gait changes, and training strategies to reduce injury. Visit NSCA online to learn more about military strength training.
TSAC FacilitatorsExercise ScienceExercise TechniqueProgram designOrganization and AdministrationTesting and EvaluationSafetyBasic Pathophysiology and Science of Health Status or Condition and Disorder or DiseaseProfessional DevelopmentInjury PreventionExercise ResearchAerobic ConditioningCombat ReadinessGround Reaction Force (GRF)Endurance TrainingLower-body WorkoutBiomechanics
NSCA Coach 11.3 is an exercise research article providing strength coaches, considerations to design effective sports performance programs for collegiate soccer.
CoachesExercise ScienceExercise TechniqueProgram designOrganization and AdministrationTesting and EvaluationClient Consultation|AssessmentBasic Pathophysiology and Science of Health Status or Condition and Disorder or DiseaseSport performanceTraining LoadInjury risksMatch loadFour-Back formationThree-Back formationMen’s SoccerCollegiate Athlete
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)
This NSCA Coach article aims to equip coaches, athletic trainers, and support staff with the knowledge and tools necessary to manage REDs among college athletes. Visit NSCA online to read more on mental health and sport performance.
CoachesExercise ScienceNutritionTesting and EvaluationClient Consultation|AssessmentSafetyBasic Pathophysiology and Science of Health Status or Condition and Disorder or DiseaseProfessional DevelopmentImmune FunctionHormonesStrength and ConditioningAthletic PerformanceBone DensityLow Energy Availability (LEA)Mental Health