Sandia Energy > Programs > Renewable Energy > Photovoltaic Solar Energy > Staff > Madhuri Kumari Madhuri Kumari R&D S&E, Systems Research and Analysis Madhuri Kumari is a member of the Photovoltaics and Materials Technology Program at Sandia National Laboratories. She is working on performance modeling and simulations and automating module testing procedures.She earned her bachelor’s in astrophysics with a minor in computer science from the University of California, Davis.