Executive producers Preston Lee and Phyllis Koenig have been named co-chiefs of Area 51 Films in Santa Monica. Lee joined the company last year from Play/Santa Monica, while Koenig arrived from Stiefel + Co in January with director Craig Henderson. The duo replaces former managing director Mark Thomas, who has left the company. ... Directors Rafael Fernandez, formerly of Palomar Pictures, and David Horowitz of MTV have signed with L.A. production company Rock Fight ... Editor Eric Bruggemann, formerly of Final Cut, has joined New York's Blue Rock Editing Company. ... Visual effects designer Julie Watkins, most recently of Spontaneous Combustion, has rejoined RIOT/Manhattan, where she was on staff from 1999 to 2001.