Langley DeWitt is the director of the International Global Atmospheric Chemistry (IGAC) Project, an international community-based organization that seeks to advance atmospheric chemistry towards a sustainable world by advancing knowledge, fostering community, building capacity, and engaging society. Prior to serving as IGAC Project director, she was a Project Manager and Air Quality Specialist at AECOM, the station chief scientist for the Rwanda-MIT Climate Observatory, and a postdoctoral research associate at the University of Aix-Marseille and at NOAA PMEL. She completed her graduate studies in Analytical Chemistry at the University of Colorado. Langley is an outdoor enthusiast in her spare time.