Bret Contreras holds a PhD in sports science from AUT University and a master's from Arizona State University. As a Certified Strength and Conditioning Specialist through the National Strength and Conditioning Association, he has dedicated his career to advancing strength training methodologies and is most known for inventing the barbell hip thrust and patenting loaded hip thrust machines.

A leading authority in glute training and strength development, Dr. Contreras is the author of Bodyweight Strength Training Anatomy as well as the coauthor of Glute Lab and Strong Curves. His expertise extends beyond research and writing, as he is also the founder of Booty by Bret, a training platform designed to help individuals optimize their strength and physique. Additionally, he established BC Strength, a company known for innovative strength training equipment such as the Hip Thruster, Glute Loops, and BC T-Bell.

Dr. Contreras is also the visionary behind Glute Lab, two premier facilities--one on the West Coast in San Diego, California, and the other on the East Coast in Fort Lauderdale, Florida--dedicated to pioneering strength training techniques and educating athletes, trainers, and fitness enthusiasts worldwide. Dr. Contreras has published over 50 studies in peer-reviewed journals and lectured around the world, spreading his methods to industry leaders, trainers, and coaches. His work continues to shape the industry, influencing both scientific research and practical application in the field of strength and conditioning.