Constance Chang-Hasnain

Professor Emerita


Connie Chang-Hasnain is John R. Whinnery Chair Professor Emerita of Electrical Engineering and Computer Sciences, University of California, Berkeley. She was Associate Dean for Strategic Alliances, College of Engineering, 2014-2019 and Chair of Nanoscale Science and Engineering Graduate Group, 2006-2017. She received her Ph.D. from the same university in 1987. Prior to joining the Berkeley faculty, Dr. Chang-Hasnain was a member of the technical staff at Bellcore (1987–1992), and Assistant and Associate Professor of Electrical Engineering at Stanford University (1992–1996).

Professor Chang-Hasnain’s research interests range from semiconductor optoelectronic devices to materials and physics. She has been honored with the Okawa Prize (2018) for pioneering and outstanding research of VCSEL photonics through the development of their novel functions for optical communications and optical sensing. In addition, she has been awarded with the Quantum Device Award (2014), IEEE David Sarnoff Award (2011), the OSA Nick Holonyak Jr. Award (2007), the IEEE LEOS William Streifer Award for Scientific Achievement (2003), the Microoptics Award from Japan Society of Applied Physics (2009), a Humboldt Research Award (2009), and a Guggenheim Fellowship (2009).

She is an elected member of National Academy of Engineering, a member of the US Advisory Committee to the International Commission on Optics, National Academy of Sciences. She was the Editor-in-Chief Journal of Lightwave Technology 2007-2012 and is Associate Editor of the OSA Optica, since 2013.

She is the President of OSA 2021.


  • 1987, Ph.D., Electrical Engineering, U.C. Berkeley
  • 1984, M.S., Electrical Engineering, U.C. Berkeley
  • 1982, B.S., Electrical Engineering, U.C. Davis

Selected Publications

Awards, Memberships and Fellowships