Jonathan Heiliger is the Vice President of Technical Operations at Facebook, where he oversees global infrastructure, site architecture and IT. Prior to Facebook, he was a technology advisor to several early-stage companies in connection with Index Ventures and Sequoia Capital. He formerly led the engineering team at Walmart.com, where he was responsible for infrastructure and building scalable systems. Jonathan also spent several years at Loudcloud (which became Opsware and was later acquired by HP) as the Chief Operating Officer. Earlier in his career, Jonathan was the CTO of Frontier GlobalCenter, and later founded Global Crossing’s corporate venture capital group.