Ken Marcus is an American photographer, known for his glamour photography with Penthouse and Playboy magazines. For over 30 years he has produced hundreds of centerfolds, editorials, album covers, and advertisements. His work is shown in galleries, published in books and magazines. He was an artist-in-resident at the Yosemite National Park Museum. Marcus also lectures and conducts workshops internationally. He has an adult fetish and BDSM site.