Mark joined Callvine as Chief Operating Officer in 2010. Prior to Callvine, he launched Vello â€“ The Conference That Calls You â„¢ â€“ in 2007, taking the start-up from its early ideas to a fully operating conference call company.
Prior to Vello, Mark founded Sigpro, a VOIP products and services company, which was successfully sold to GuestTek, the worldâ€™s leading provider of hospitality broadband services in 2005. At Sigpro, Mark bootstrapped the company with customer revenue from a classic Silicon Valley garage to a company with design and manufacturing operations in Asia filling a worldwide product distribution pipeline for its award-winning products.
Mark received a BSEE summa cum laude from Tufts University, an MS in Aeronautics from MIT and spent several years teaching at Stanford Universityâ€™s Information Systems.