Dr. Christopher Hoffman (he/him) is an environmental and critical social psychologist specializing in community-based and participatory research, an educator, and a master naturalist. He is the first to complete a dual doctorate in environmental psychology and critical social and personality psychology at the Graduate School and University Center of the City University of New York. Originally from Yonkers, N.Y., Chris worked in a variety of environmental education settings focusing on biodiversity, citizen science, climate change, and environmental justice in New York. Chris is currently the Sr. Manager of Education Operations Research at the National Geographic Society, where he designs measurement and evaluation for National Geographic's educational programs.