Mexican directing team Big Brother -- aka brothers Javier and Jorge Aguilera -- has signed with FM Rocks for U.S. commercials representation. ... Becky Donahue, formerly of @radical.media, has joined New York's Ohio Edit as head of sales and development. ... At West Coast edit house FilmCore, Jon Ettinger -- executive producer of FilmCore's San Francisco office -- has been promoted to senior vice president of business development, while senior editor Doug Walker has been promoted to senior vice president of talent relations. The pair are charged with growing the company's talent roster and expanding the shop into new markets. FilmCore currently has offices in Santa Monica and San Francisco.