Jeffrey R. Long is a Professor of Chemistry and Chemical & Biomolecular Engineering at the University of California, Berkeley and a Faculty Senior Scientist in the Materials Sciences Division at Lawrence Berkeley National Laboratory. He served as Chair of the Division of Inorganic Chemistry of the American Chemical Society in 2012 and as a founding Associate Editor of the journal Chemical Science, and he is presently Director of the Center for Gas Separations, an Energy Frontier Research Center funded by the Department of Energy. He co-founded and directs two companies: Mosaic Materials, which is developing metal-organic frameworks for low-energy gas separations, and Flux Technology, which is producing high-performance polymer membranes for gas purification. His 330 publications have received more than 67,000 citations, and his recent awards include election to the American Academy of Arts and Sciences and the 2019 American Chemical Society F. Albert Cotton Award in Synthetic Inorganic Chemistry.