is vice president of online media for Zentropy Partners, a unit of MRM
(McCann Relationship Marketing). He's led Zentropy's Minneapolis online media department since 1999, where he develops integrated online contact strategies and oversees all planning and buying. Current clients include Nestle Purina, General Mills, H&R Block, Microsoft, Overture and Sprint. Earlier, Mark planned traditional and online media for Campbell-Mithun. He's a frequent guest lecturer at conferences and graduate advertising and communications courses at St. Thomas University; the University of Minnesota; Minneapolis School of Communication Arts & Design and the 4A's.