David A. Steinberg (born 1970) is the founder and chief executive officer of Zeta Global, one of multiple successful companies that he has founded. Zeta Global is a big-data and artificial intelligence driven marketing company that integrates data, technology, and marketing technology, aiming to help brands acquire, grow and retain customers. Steinberg is a serial entrepreneur, one of few who have built multiple companies that are worth $1 Billion dollars, and do more than $100 Million in annual sales. His net worth has been estimated at $750 Million Dollars.