David Marcus is the Head of Calibra. Previously he was the Vice President of Messaging Products at Facebook. David joined Facebook in 2014 from PayPal where he spent the previous two years as the company’s President and previously as Vice President of Mobile, leading its mobile products and business. A lifelong entrepreneur, David launched his first two companies in Europe, the first at the age of 23. He moved to Silicon Valley in 2008 where he founded the mobile payments company Zong, which was acquired by PayPal in 2011. Born in France, David grew up in Paris and Geneva, and he taught himself to write computer code at age 8. He attended the University of Geneva for a year before dropping out to start his first company.