Mariana has worked with the US Fish and Wildlife Service since 2009. She is currently the Deputy Refuge Manager at John Heinz National Wildlife Refuge at Tinicum in Philadelphia, PA. She holds a B.S. in Biology and Environmental Science from Ursinus College and a M.S. in Biology from Saint Joseph's University. Her previous work includes conservation and environmental education projects with various organizations and partnerships including: The National Science Foundation, Student Conservation Association, National Park Service, Wagner Free Insitute of Science, and a variety of non-profit environmental groups.