Debra Berman joined Yahoo as senior vice president of consumer marketing.

Entercom promoted Jennifer Buck and Bob Woche to general sales managers.

Steinreich Communications Group promoted Ellyn Small to senior vice president and general manager.

Margaret Magnarelli joined Monster as senior director of content and managing editor.

RealityMine named Jonathan Briggs as managing director of Australia.

Eventive Marketing added Christine Lee as director of strategy and Amy Beth Stern as senior director of client strategy and business development.

Th1ng added Stockholm-based collective Happycamper to its roster of U.S. directors.

Giant Spoon promoted Mikael Greenlief to associate director, strategy from senior strategist.

Tremor Video hired David Arslanian as vice president of strategic partnerships.

Schafer Condon Carter (SCC) tapped Greg Wenstrup as chief operating officer, succeeding SCC Co-founder Mark Schafer, who now becomes chairman emeritus of the agency.