After eight years at the helm, Sarah Hobson is stepping down from her post as executive director of the West Marin Fund, a nonprofit she shepherded from a fledgling foundation into a mainstay of regional giving and collaboration.
“I’ve had a wonderful time working with the fund, and I feel good about the progress that we’ve made,” Ms. Hobson said. “I’ll miss the work and the people, but I will still live in the…