David A. Steinberg

David A. Steinberg (born 1969) is the founder and chief executive officer of Zeta Global. 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 over a billion dollars. Steinberg also serves as chairman and co-founder of On Demand Pharma and Caivis Investment corporation.