In a county of 100,000 people, where close to 200 nonprofits vie for thousands of people to serve on their respective governing bodies, competition for competent board members can be fierce. “A good board member is worth their weight in gold,” said Cristine Kelly, Music in the Mountains executive director. Because younger adults have careers and families, a typical Nevada County nonprofit board member is retired, said Kelly, who remembers being approached by several nonprofits to serve as a board member before she became the executive director of Music in the Mountains. “We have a tendency to recycle board members …