Welcome University of Massachusetts – Amherst employees! The UMass Amherst Community Campaign (UMACC) is an employee benefit that provides UMass faculty, staff, and retirees an easy and streamlined way to donate to any charitable organization. Since 1991, over $8 million has been donated to more than 300 non-profits by employees and retirees through UMACC. Check out the Global Impact charities available in your campaign, and choose to give global this workplace season!