Gretchen Campbell is an adjunct professor in the Department of Physics and co-director of the Joint Quantum Institute at the University of Maryland. She is also a physicist at the National Institute of Standards and Technology. Campbellās research group is conducting two experiments: one on sodium atom circuits and another on ultracold strontium. Both experiments use ultracold atomic gases to study many-body physics. She received her doctorate in physics from MIT in 2007.