Rachel Bigby has more than a decade of sustainability and social impact experience. As an ESG and sustainability manager, she coordinates, supports, and grows Tetra Tech’s corporate social responsibility (CSR) and sustainability consulting practice and provides customized strategies for each client. Rachel previously managed sustainability partnerships and served as an instructor for the University of Colorado Boulder Masters of the Environment graduate program. She holds a master’s degree in sustainable development, a bachelor’s degree in environmental studies, and certificates in CSR, GHG accounting, and permaculture design.