The Microboard Guide: Part 2 of 5 To call your non-profit corporation a microboard, a minimum of five directors are required. Most families do not start with five people ready to serve. Building toward that number is a process that may take months or years. The formal structure comes later. The starting point is relationships. Start with Who Is Available A microboard can begin with two or three committed people. That might be a parent, a sibling or other family member, a nei