—Peacock Equity: NBC Universal’s investment fund has added Lauren Zalaznick, president of NBC Universal (NYSE: GE) women and lifestyle entertainment networks, and Jessica Schell, SVP of NBC Universal digital strategy and business development, to its board. Ben Silverman, who is leaving NBC Universal to join IAC, is resigning from the board.

—Clickable: Dave Fell Fall, Google’s group product manager for search engine marketing technology, is joining the online ad firm as its SVP of product and operations. FellFall joined Google (NSDQ: GOOG) after the company purchased DoubleClick.

—Turn: Masroor Malik is the ad platform company’s new VP of business operations. Malik comes from Efficient Frontier, where he was SVP of product operations and services. He has also worked as head of publisher operations for Yahoo’s advertising marketplaces group.

—iMedExchange: Physicians social network iMedExchange has hired Dave Chase as its VP of new media partnerships. Chase held various posts at Microsoft (NSDQ: MSFT), including serving as the worldwide director of the company’s healthcare business and leading MSN’s industry marketing and relations.