About Us

Founded in 2010, MMA Signatures LLC is the world's largest Mixed Martial Arts (MMA) memorabilia company. MMA Signatures has hosted hundreds of private signings, events, and seminars. We have developed close working relationships with many fighters and managers in the MMA industry and have acquired an extensive and diverse inventory consisting of thousands of signed MMA memorabilia pieces. All memorabilia comes with our trusted Certificate of Authenticity (COA).


Gary Cantor, Owner
Gary Cantor, owner of MMA Signatures, was born and raised in south Florida. Mr. Cantor received his B.S. in Biology with a specialization in Biotechnology from the University of Florida and is currently a Ph.D. candidate in Genetics and Molecular Biology at the University of North Carolina at Chapel Hill. 

Mr. Cantor has an insatiable passion for all things MMA related. In his spare time he enjoys practicing BJJ, weightlifting, and going to MMA events. 


AJ Hiller, Founder and Co-Owner
AJ Hiller, founder and co-owner of MMA Signatures, was born and raised in Scranton Pennsylvania. Mr. Hiller received his B.S. in Criminal Justice from Penn State University. 

Mr. Hiller resides in East Stroudsburg Pennsylvania with his wife of 15 years, Michelle, and three children, Ajay, Angelina, and Arella.

Upon graduating, Mr. Hiller joined Walmart, where he was a store manager in charge of over 300 employees and a District manager. After 15 years with Walmart he decided to become a full-time entrepreneur, expanding MMA Signatures and opening several boxing and mixed martial arts and fitness academy in Stroudsburg Pennsylvania.

Mr. Hiller was inducted into the prestigious MMA Legends Hall of Fame in 2014. He was also inducted into the WKU and Circle of Masters Hall of Fames in 2017 and 2018.