Ben Levitan, the former head of global services firm james martin, brings 17 years of senior management experience to Viant, according to the company.
Levitan was previously a senior vice president at Cambridge Technology Partners before joining james martin, and has held consulting and management positions at Andersen Consulting and Nolan, Norton & Company.
Viant, which helps large corporations and dot coms plan and build Web sites and e-commerce strategies, competes with Scient, iXL and a host of others. Headquartered in Boston, the company has offices in Chicago, Dallas, London, Los Angeles, New York and San Francisco
Viant's stock shot up 5 to close at 90 a share.