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UNC Clean Tech Speaker

Mary Tiger

Mary Tiger
Sustainability Manager
Orange Water and Sewer Authority (OWASA)


Mary Tiger is the Sustainability Manager for the Orange Water and Sewer Authority (OWASA), Chapel Hill’s and Carrboro’s local water, wastewater, and reclaimed water utility. The OWASA Board has a goal to reduce the organization’s use of electricity by 35% by 2020. Mary oversees the organization’s Energy Management Program established to achieve that goal through conservation, efficiency, and renewable energy generation. Prior to joining OWASA, Mary served as the Chief Operating Officer for UNC’s Environmental Finance Center. She earned her Masters in Public Administration from UNC and a bachelors in Environmental Journalism from UNC-Asheville.