David Berkowitz is a marketing leader who drives demand for B2B tech companies and agencies. Most recently, he has served as SVP of Corporate Marketing & Communications for omnichannel ad tech platform Mediaocean. Prior roles include leading marketing and strategy for video production marketplace Storyhunter, social listening firm Sysomos, Publicis agency MRY, and Dentsu agency 360i. He has contributed more than 600 columns to outlets such as Advertising Age, MediaPost, VentureBeat, and Adweek, and he has spoken at more than 400 events globally. An avid connector, David founded and leads the 3,000-member Serial Marketers community.