Jeff Cavaliere

Fitness Experts

Jeff Cavaliere (born June 28, 1975) is a renowned American physical therapist, trainer, and creator of the ATHLEAN-X fitness brand. Known for his scientific, no-nonsense approach to fitness, he previously served as the head physical therapist and assistant strength coach for the New York Mets (2006–2008). He has amassed millions of followers on YouTube, emphasizing injury-free, science-based training.