Based in Los Angeles since 1986, Mark also maintains a studio in Manhattan for his New York clients. His grace, wit, and straightforward manner help to create a relaxed and efficient work environment that can handle all aspects of print advertising from elaborate prop building to complicated retouching. Mark's images have been featured in campaigns for clients as diverse as Estee Lauder, Budweiser, Visa, and IBM. His photography was used in the introduction of Apple's iMac, iBook, G3 and subsequent campaigns for Apple products for ten years. Mark's first book, Created Equal was published by Steidl in 2010. His second book, Sea was published by Abrams in late 2011. His most recent book, Serpentine was released in 2013. His work has been exhibited in galleries in the U.S. and Europe.