Think New Ideas, New York, has named Brian Martin creative director. He was creative head at the Microsoft Network, Redmond, Wash. . . . Quote.com, Mountain View, Calif., has promoted Aaron Barnes to national sales director from senior account manager; Eric Merkow to account manager from account executive, Eastern region; and Meredith Tanzer from account executive to senior account executive, Western region . . . Scott Epstein, former marketing director at Excite, Redwood City, Calif., has joined TheDJ.com, Los Angeles, as vp, marketing Cox Interactive Media, Atlanta, has named Paul Higgitt, a former senior vp at Time Warner International.Broadcasting, business development director.