David Marcus is co-founder and CEO of Lightspark. He has held a management position at Novi. Mr. David Marcus is an advisor to Felix Capital. Previously, he was a member of the board of directors of Coinbase. Previously, he was vice president of messaging products at Facebook. He also served as president at Paypal. He was the founder and CEO of Echovox. He is the founder and CEO of Zong. Founded his first company, GTN telecom, in 1996 in Geneva, Switzerland. In 2000, GTN was acquired by World Access. In 2000, he founded Echovox, which established direct relationships and connections with mobile operators around the world. He was a member of the board of directors of Diem Association.