Long the envy of the proteomics field for his access to Celera’s deep pockets, Scott Patterson has left his position as vice president for proteomics at Celera to move back to southern California, the home of Amgen, his previous employer. But Patterson isn’t going so far as to return to his old job. Instead, he started in late January as chief scientific officer of Farmal Biomedicines, a Pasadena-based startup trying to discover new protein therapeutics.