David Berkowitz is the founder of the Serial Marketer consultancy, the Serial Marketers community, and the AI Marketers Guild. Previously, he held marketing and strategy leadership roles with omnichannel ad tech platform Mediaocean, 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.