"I'm going out on my own. That's what I wanted to do last [May]," said Mr. Burnham, who joined Wilson Griak 21/2 months after leaving Fallon.
Mr. Burnham, 46, and Wilson Griak Exec VP Mike Monten termed the parting amicable. "Pat Burnham is going to be successful as a director. He just needed a different setting," Mr. Monten said.
Mr. Burnham said he will work with Coppos Films, Los Angeles, on a series of ads and may move his company to Los Angeles.