Jeffrey Peck Severinghaus, Ph.D., since July 2000, has been Associate Professor of Geosciences, Scripps Institution of Oceanography, University of California, San Diego.

Severinghaus has taught graduate-level biogeochemistry and paleoclimate classes and undergraduate classes in Earth and environmental science. He has received awards for his work including the Comer Science and Education Fellowship and from the David and Lucille Packard Foundation, and he has won a Postdoctoral Fellowship from the National Oceanic and Atmospheric Administration (NOAA's) global change program and a graduate fellowship from the U.S. Department of Energy's global change program.

Severinghaus earned his Ph.D. from Columbia University, Lamont-Doherty Earth Observatory, in 1995, where he studied geological sciences, with an emphasis on stable isotope geochemistry. He earned his master's degree in geology from the University of California, Santa Barbara with an emphasis on tectonics, and his undergraduate degree from Oberlin College. His professional experience includes work in 1990 and 1991 on rural development with World Neighbors, Nepal, and work in oil spills and toxic waste with ICF Incorporated, Washington, D.C.