Mark DellaGrotte is an American former professional Muay Thai kickboxer and a trainer in Muay Thai. He is the owner and operator of the Sityodtong USA Branch in Somerville, Massachusetts, and was certified and appointed by Master Yodtong to be recognized as an international conservator of Thai style boxing. Mark also has extensive training and is certified in the arts of Kali Escrima, Pencak Silat, Jeet Kune Do, Savate, and Brazilian Jiu-Jitsu.\nDellaGrotte, known for his Boston accent, is a featured kickboxing trainer in Spike TV's \"The Ultimate Fighter 4.\" He also has trained mixed martial arts fighters like Kenny Florian, Frank Mir, Stephan Bonnar, Marcus Davis, Alex Karalexis, Jorge Rivera and Patrick Côté .\nDellaGrotte is the owner and operator of the Sityodtong USA Branch. He began his martial arts studies at an early age. His initial training involved classical martial arts, such as Tae Kwon Do, Shotokan and Tai-Chi. As his athleticism and martial skills grew, so did his desire to further his training in the martial arts.