Zak Bagans is an American paranormal investigator, television producer, and author, best known for his role as the host of the popular TV series Ghost Adventures. He founded the Ghost Adventures Crew and has been involved in various paranormal investigations across the United States and beyond. In addition to his television work, Bagans has authored several books on the paranormal and has opened the Zak Bagans' Haunted Museum in Las Vegas, which showcases haunted artifacts and memorabilia. His work has made him a prominent figure in the field of paranormal exploration and entertainment.