The Pittsburgh CLO is a not-for-profit cultural organization dedicated to the preservation, creation and promotion of the American musical theater art form, the furnishing of arts education and providing meaningful community engagement opportunities in Western Pennsylvania and throughout the United States. Manage, oversee and maintain donor and patron database in Tessitura and OneCause including the accurate entry of all donation information into database; Assist with contact record maintenance, data cleanup, and overall list hygiene within Tessitura .