David Marcus was born in New York City on the upper west side of Manhattan. When he was growing up, he regularly played table tennis in Marty Reisman’s club, which was about six squares from where he lived. After juior secondary school, his family moved to Long Island. He went to Stony Brook University and got the B.S. in Mathematics. He then moved to Massachusetts to go to doctoral level college at MIT and got the Ph.D. in Mathematics (Probability).
There was an extremely dynamic table social club at MIT, and they competed with different schools, went to USATT-authorized competitions, and ran our own particular USATT-endorsed competitions at MIT. He was president of the MIT Table Tennis Club for a long time. As of now, he one of the coordinators of the Boston Table Tennis Center.
Marcus began his career at 23 when he established his first wander, GTN Telecom and served as the Chairman and CEO until GTN was gained by World Access in 2000. Before long, he established Echovox, a versatile media adaptation organization, which cleared route for Zong portable installments organization in 2008.
Zong was gained by eBay’s PayPal in 2011 and Marcus joined PayPal as Vice President and General Manager of Mobile division of PayPal. Under his administration, PayPal launched its offline versatile card per user arrangement, PayPal Here. In April 2012 he was picked to assume control over the initiative of the organization as the President, when then President Scott Thompson left PayPal to join Yahoo.