Submitted by sws139 on Thu, 01/28/2021 - 13:31 2021 Black in STEM Distinguished Alumni Breadcrumb 2021 Distinguished Alumni Joseph Berry Image Joseph J. Berry, Ph.D. Major and Degree: Physics, Ph.D. Graduation Year: 2001 Current Position: Principle Scientist, Metal Halide Perovskites Solar Cell Team Lead, National Renewable Energy Laboratory Connect: Twitter I'm generally curious and science is all about asking the right questions so I thought it would be great to do it professionally. I gravitated to physics as you get to ask some of the most interesting questions abut the natural world.