Rob Petersen has been an instructor at Mason Gross since 2016. He has also been on the MBA Faculty of the Rutgers Business School since 2010. Rob teaches courses in digital and social media marketing. His area of expertise is measurement and return on investment (ROI). At Mason Gross, he teaches Social Media for the Arts. Rob also started his own full service digital marketing agency, BarnRaisers. It has been in business since 2009.