G2 hired Bruce Henderson as chief creative officer for North America. Most recently, Henderson was group creative director at Ogilvy, New York.

Tierney hired Sarah Lenhard as executive vice president, director of account management and strategy. Previously, Lenhard was senior vice president, director of account services at LevLane.

Kristin Bloomquist, who joined Cramer-Krasselt's Phoenix office in September 2009 as senior vice president, marketing strategy, will succeed executive vice president/general manager John Melamed as head of that office.

DDB Los Angeles hired Terry Martin as managing partner; Romy Flint as integrated business director; Brian Engleman as senior art director; Erin Goodhart as director of in store advertising; and Sabrinna Modellas senior account executive.

Tom Conti, who currently serves as president of G2's Interactive practice, assumes added responsibilities over the agency's portfolio of health-care businesses in the Relationship Marketing practice, in addition to oversight of the agency's Media practice. Brent Shedd was named executive director, general manager of G2 San Francisco and Nancy Leibig has been named executive director, general manager of G2 Chicago.