Marc is a sociologist researching the structure of internet social media. He was formerly senior research sociologist at Microsoft Research specializing in the social organization of online communities and computer mediated interaction. He founded the Community Technologies Group at MSR. He also contributed to the release of the Telligent Analytics 3.0 social media reporting product, adding social network analysis features.

Mark has been managing influencer campaigns through his consulting company Evolve! His experience includes more than two decades of technology sales and marketing with organizations including A.T. Kearney, EDS, CT Space and Autodesk. Mark was named a 2013 Huffington Post Top 50 Most Social CEO. Mark writes the Socialized and Mobilized column for Forbes, Author of the best-selling book Socialized!