Derby signed commercial director and filmmaker Andrew Hardaway to its roster.

Genius Brands International promoted Stone Newman to president of global consumer products & marketing.

MPC Los Angeles added Rob Hodgson as VFX creative director and promoted Casey McIntyre to creative director.

Giant Spoon has added Jessica Wurm as associate director of media and Shon Mogharabi as senior strategist.

AT&T AdWorks promoted Matt Van Houten to regional vice president, product and business development.

PushSpring named Darren Van Norman as director of product.

Publicis Seattle named Lisa Baldini as communications strategy director, who will work solely on T-Mobile. Baldini was formerly associate director/social strategy at VML.

Boxever hired John Callan as vice president of marketing.

The Mars Agency added Tammy Brumfield as senior vice president, leading its Retail Marketing Practice. In addition, Janice Easton was named vice president, performance targeting & analytics and Amy Cronin as director, performance targeting & analytics.

Discovery Communications tapped Leigh Anne Brodsky as executive vice president, Discovery Global Enterprises.