Marc is the founder and CEO of socialdeviant, a social media agency dedicated to creating value for brands in a socially connected world.

Formerly, Marc Landsberg was CEO of McCann Relationship Marketing (MRM) and of Arc, leading strategic initiatives for the world’s largest agencies and brands, including McCann Worldgroup, Lake Capital, and Leo Burnett.

“We have always been highly impressed by Marc,” said Michael Seidler of Madison Alley. “He is a seasoned executive leader with deep insight into digital marketing, media and advertising technology – social media in particular. Marc is an excellent fit for Madison Alley in terms of the caliber of his experience, digital sector expertise and proficiency in executing strategic capital growth transactions.”

For a bio of Marc Landsberg, please visit: /people/
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