Phu at a pop-up dinner in San Francisco // Photo courtesy of @eatFeastly, by @princess_tofu (Phi Tran) Chefs are shuffling in Berkeley. The sustainable-focused restaurant, Gather, brought in Tu David Phu last fall to take over for Charis Wahl—who herself took over for Sean Baker, the opening chef whose innovative take on vegan dishes generated national headlines for the restaurant. Now, after just a half-year in charge, Phu is gone and will be replaced by Wahl, who returns to Gather after a stint working as a sous chef at The Advocate under head chef John Griffiths—who was recently replaced by Joseph Humphrey after taking the lead chef job at San Francisco’s