Delphine Farmer is an associate professor in the Department of Chemistry at Colorado State University. Her research focuses on outdoor atmospheric and indoor chemistry with an emphasis on understanding the sources and sinks of reactive trace gases and particles and their effects on climate, ecosystems, and human health. Her recent work has focused on air chemistry in residential environments. Dr. Farmer was a co-lead of the House Observations of Microbial and Environmental Chemistry study, and she will co-lead the upcoming Chemical Assessment of Surfaces and Air indoor study. Dr. Farmer received the Arnold and Mabel Beckman Young Investigator Award. She received her PhD in chemistry from University of California, Berkeley.