Mark's vocabulary of techniques and styles are used to create contemporary images for clients including:
M&M's, Pfizer, Sony, Clairol, Ikea, ExxonMobil, Microsoft, Intel, Seagram's, Merill Lynch, American Express, BBDO, Grey, Deutsch, Pentagram, Arnold, J.Walter Thompson, Young & Rubicam, Ogilvy & Mather, McCann-Erickson, Berlin Cameron United, MTV, Time, Maxim, Newsweek, New York Magazine, W, Metropolitan Home and The New York Times.