Caleb Marshall

Caleb Marshall (born March 18, 1993), popularly known as The Fitness Marshall, is an American fitness instructor and social media influencer. He is known for producing YouTube workout videos that combine dance and aerobic exercise for a broad audience. Comparisons have been made to Richard Simmons, a likeness that Marshall himself embraces.

Marshall started his YouTube channel in October 2014, and by 2018, he had amassed over 1 million followers. His workout video to "Me Too" by Meghan Trainor garnered 1 million views overnight, earning recognition from the singer herself. Beyond digital content, Marshall operates Active Booty, an activewear line designed for a diverse range of body sizes.

Background Marshall was born and raised in Marion, Indiana. From a young age, he exhibited a passion for dance and fitness. He attended Indiana University, where he graduated in 2015 with a Bachelor of Arts in film production. During his time at university, Marshall taught cardio hip-hop classes and rediscovered his love for dance. He began to merge his love for dance with his interest in fitness, laying the groundwork for his future career. After more than a decade together, the couple filed jointly for divorce in April 2026.