Sundar A. Christopher is currently a Professor with the Department of Atmospheric and Earth Science, University of Alabama in Huntsville, Huntsville, AL, USA. He has authored or coauthored more than 100 peer-reviewed publications, several book chapters, and 2 books. His research interests include the usage of multi-sensor satellite data sets to study the role of aerosols on air quality and climate. Dr. Christopher is a member of the AGU, AMS, and AAAS. He has served as a Principal Investigator on various satellite science teams.