James H. Crawford is a Research Scientist at NASA Langley Research Center. He completed his BSc in Mathematics at United States Military Academy, United States and his PhD at the Georgia Institute of Technology, United States in Atmospheric Chemistry. Currently, he is a Senior Scientist for Atmospheric Chemistry at NASA Langley Research Center. He was a Tropospheric Chemistry Program Manager at NASA Headquarters (2006-2008). Since 1991, he has participated in seventeen airborne field studies focused on atmospheric chemistry and air quality, serving in a variety of roles. These studies have spanned the globe from polluted cities to the remote atmosphere (e.g., South Pacific, Antarctic, and the Arctic) to understand the chemistry of the atmosphere and the balance between natural and human impacts. His interests include the photochemistry of tropospheric ozone and free radicals, the influence of clouds on trace gas transport and chemistry, and the use of satellites to study long-range pollution transport and air quality. He is heavily involved in promoting international collaboration and currently serves as Co-Chair of the Scientific Steering Committee for the International Global Atmospheric Chemistry (IGAC) project.