Since 1958, OneOC has encouraged people to become personally involved in making our community a good and welcoming place to live, work, and raise a family. We are a full-service, nonprofit resource center with extensive integrated services under �one umbrella.� Our Volunteer, Training, Consulting and Business Services are designed to help Orange County nonprofits advance their business efficiency, mission effectiveness, and strategy execution. OneOC�s services uses a collaborative approach to help �accelerate nonprofit success� through an affiliated pool of expert staff, trainers, and consultants who specialize in volunteer management, board excellence, finance and human resources, leadership advancement, program development and fundraising and marketing.