Mark L. Marinaccio

Mark L. Marinaccio is a veteran Executive Producer, Showrunner, Creator, Author, and former Discovery Channel Director of Development. He has produced hundreds of hours of television for some of the largest cable networks and production companies in the unscripted business.

Across two decades, Mark has built premium unscripted series, specials, documentaries, pilots, and brand-driven entertainment for Discovery, History, A&E, TLC, Travel, BIO, TruTV, FOX, Spike TV, The CW, Animal Planet, and Sci-Fi — taking projects from concept and pitch through field production, post, delivery, and audience-facing storytelling.

Known across the industry as "The UFO Pro" and "Mr. Paranormal," he is widely considered the premiere expert when it comes to UFOs, ghosts, monsters, and the strange. More than 100 of his original concepts have been optioned by networks and production companies.

Mark also brings sports and live-event chops — credits include The Ultimate Fighter on Spike TV, live multi-camera specials like Ghost Hunters Live! on Sci-Fi, and the Travel Channel after-show Expedition Unknown: Josh Gates After Dark.