Execs and Accounts: Travel Ad Network, InterClick, Undertone

Brian Silver has been named CEO of the Travel Ad Network. Cree Lawson, CEO and founder, has stepped aside, taking on the role of board chairman instead. Silver, who joined the ad network in 2007, was president and chief operating officer. His online experience included stints at Did-it Search Marketing and IAC Advertising.

InterClick names sales executives for West Coast, Midwest regions. Kurt Munzinger joins InterClick, a behavioral targeting network, as senior vice president, sales, for the West Coast region. He was VP of ad sales, West Coast, for Specific Media, and before that, worked at AOL’s Platform-A. Heather Oxer, senior account director at Yahoo, will be InterClick’s VP of sales for the Midwest region.

Undertone Networks hires an SVP, marketing. Kelly Wenzel joins Undertone, the online advertising network. She was previously chief marketing officer at Tideway Systems, a provider of infrastructure management solutions.

Aspen Marketing Services hires a president of advanced analytics. Nathaniel Lin will be responsible for analytics initiatives for customer relationship management, direct marketing, digital, and Web solutions. Prior to joining Aspen, he was an adjunct professor at Boston College’s school of management. He’s also held leadership positions in analytics at Fidelity Investments, OgilvyOne, and IBM.