Mark Jacobstein

Mark Jacobstein serves as Chief User Engagement Officer at Guardant Health. He serves as Advisor & Investor at ElationHealth. He has held numerous senior executive roles in mobile software and consumer Internet companies since 1994, when he founded the world's first online fantasy sports company, Small World Sports, as well as the first web agency in New York City. Mark was co-founder and President of Digital Chocolate, and an EVP at loopt. Most recently, Mark was CEO of mobile VoIP pioneer iSkoot before its acquisition by Qualcomm, where Mark served as Vice President of Qualcomm iSkoot Technologies. He holds a BA in Computer Science from Harvard University.