High Performance NYC was founded in New York City in 2007. Located in Union Square, HPG built a reputation based on excellence, attracting everyone from celebrities and athletes to the novice trainee. In 2012, Clay and Elizabeth Burwell opened High Performance Gym in Greenville, South Carolina after moving to be closer to their families and original birthplaces.

Clay and Elizabeth bring decades of experience in the fitness industry to the upstate. Clay, a Veteran of the US Army's 82nd Airborne Division also has a background in boxing (he fought in the New York Golden Gloves) and in Brazilian Jiujitsu, in which he currently holds the rank of brown belt. Elizabeth has a dance background spanning back to when she was 4 years old. She is also an expert in Pilates, posture correction, flexibility and post-rehabilitative therapy. Their clientele list includes Matt Damon, Anna Paquin, Stevie Van Zandt, and Drea Dematteo, to name a few.