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 NSCA Coach article describes how to manipulate movements, lifts, and rest periods in a way that controls time, space, and flow efficiently to creatively enhance athletic performance.

This article discusses the importance of upper body power training for protective security personnel and its potential for an occupational performance marker.

This article discusses the benefits of utilizing evidence-based training approaches supported by current strength and conditioning research with law enforcement officer recruits.

The third and final article in this series will introduce the practical and technical elements of heart rate variability (HRV) monitoring in greater depth and detail.

This article analyzes heavy barbell lifting, load management, injury risk, and practical evidence-based programming recommendations. Visit NSCA online to read more about weightlifting and injury prevention

When William Kraemer first entered the field, strength and conditioning was, as he puts it, “primordial.” There were few standards, limited research, and little shared understanding. As one of the most influential figures in strength and conditioning, Kraemer recounts how the profession grew from humble beginnings into a science-driven discipline. That history still holds weight for coaches today. He explains why coaches are often drawn to new ideas, but progress comes from building on proven principles. Workout logs are central to his approach, and he notes how analyzing training over time can improve decision-making. He also emphasizes alignment across the performance ladder to support innovation and athlete development. As the Senior Advisor for Sports Performance and Sports Science at The Ohio State University, he shares his perspective on where the field is headed next. Apply his wisdom to stay grounded in solid principles, evaluate training with greater precision, and better serve your athletes. Reach out to Dr. Kraemer by email: Kraemer.44@osu.edu | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs

Brett Bartholomew, keynote speaker, performance coach and consultant, best-selling author, and Founder of Art of Coaching™, talks to the NSCA Coaching Program Manager, Eric McMahon, about the importance of communication as a foundation of coaching, understanding the messy realities of leadership, and how reflection can help the profession grow. Find Brett on Instagram: @coach_brettb or Twitter: @Coach_BrettB | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

The purpose of this article is to present a brief review of research on the safety and efficacy of caffeine used by athletes participating in anaerobic-dominant sports.

This article uses relevant research and literature to provide suggestions for optimal recovery in tactical operators.