Use Mizzou Alumni Association Board of Directors on first reference. MAA Board of Directors or Board of Directors are acceptable on second reference.
The Board of Directors consists of individuals who serve as an important voice for Mizzou alumni. Criteria for board members include a demonstrated commitment to Mizzou, alumni engagement and serving others, as well as a record of giving time, talent or treasure.
Example: He serves on the Mizzou Alumni Association Board of Directors.