(Tucson, Ariz.—Jan. 6, 2012) — Mari Diffley has been appointed Chief Operating Officer for the Community Foundation for Southern Arizona. She is responsible for managing finance, IT and work flow systems for the organization. Diffley has more than 25 years experience in operations and finance including CPA work in the state of New York. Her experience also includes information technology financial systems. She earned a MBA from the University of Arizona and a BBA in Business and Accounting from Pace University in New York City.