Steven R. Jefferts

Steven R. Jefferts (M'01) received the B.S. degree in physics from the University of Washington, Seattle, WA, USA, in 1984 and the Ph.D. degree in atomic physics/precision metrology from JILA/University of Colorado, Boulder, CO, USA in 1992. His thesis work involved ultra-high precision mass spectroscopy of light ions. He joined the National Institute of Standards and Technology (NIST), Boulder, as an NRC post doctoral fellow working with Dave Wineland on laser-cooled trapped ions. In 1994, he joined the Time and Frequency division of NIST as a permanent employee. He leads the research group developing and operating cesium fountain primary frequency standards. Dr. Jefferts received the Edward Uhler Condon award in 2001, a Department of Commerce Gold metal in 2004 and the Arthur S. Flemming award in 2005. He was also the IEEE-UFFC Distinguished Lecturer for 2003–2004.