Mark is the former editor-in-chief of Wired Online, and was an editor at Wired magazine and Wired Books. He was Playboy magazine's technology columnist for three years, has appeared on The Colbert Report (twice) and the Martha Stewart Show, and has written for The New York Times Magazine, Popular Science, Business Week, The Hollywood Reporter, Wired, and other national publications.
Mark is the author of some awesome and collectable books: The Happy Mutant Handbook: Mischievous Fun for Higher Primates, Mad Professor: Concoct Extremely Weird Science Projects, The World's Worst: A Guide To The Most Disgusting, Hideous, Inept, And Dangerous People, Places, And Things On Earth, The Computer: An Illustrated History and Made by Hand: My Adventures in the World of Do-It-Yourself.
Mark is also a designer and illustrator. He designed Billy Idol's "Cyberpunk" CD cover, video box, and print advertisements. He has designed several websites and has provided illustrations to dozens of magazines and websites.
He lives in Los Angles with his wife, Carla Sinclair and his two DIY daughters, age 9 and 15.