Mark is a California native and the author of over fifty published short stories. Like many writers, he is perpetually curious, having studied psychology at UCLA, exotic animals at Moorpark College's Exotic Animal Training & Management program, improv comedy with the Groundlings and special effects makeup with several of the industry's top makeup artists. Mark has also written for film and television, including the script KILL KATIE MALONE. His first novel THE FACELESS ONE was published by Random House under their new Hydra imprint. He is working on a standalone novel in the same universe entitled GREEN WATER, also for Random House/Hydra. His zombie novel THE THETIS PLAGUE was published by Severed Press; and he is currently at work on a kaiju novel for the same publisher