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Constance J. Chang-Hasnain is an electrical engineer , and the John R. Whinnery Chair Professor at the University of California , Berkeley .. electrical engineer. electrical engineer. She attended community college first before attending the University of California , Davis .. She graduated from the University of California , Davis , with a B.S. in 1982 , and from the University of California , Berkeley with an M.S. 1984 , and a Ph.D. in 1987 .. She taught at Stanford University .. Stanford University. Stanford University. She is a Fellow of the IEEE , OSA , and IEE , and Editor for the IEEE Journal of Lightwave Technologies .. Her research interests include VCSELs , high contrast gratings , and nanostructure growth .