Meenakshi Wadhwa is a planetary scientist and educator who studies the formation and evolution of the Solar System through the analysis of planetary materials including meteorites, Moon rocks and other extraterrestrial samples returned by spacecraft missions. She was director of the School of Earth and Space Exploration atArizona State University.[1] She is the vice chancellor for Marine Sciences,dean of the School of Marine, Earth, and Atmospheric Sciences, and director ofScripps Institution of Oceanography at theUniversity of California, San Diego.[2]

Meenakshi Wadhwa received her Ph.D. in earth and planetary sciences in 1994 fromWashington University in St. Louis. She was a postdoctoral research geochemist at the University of California, San Diego (1994–95), and then became curator of meteorites atField Museum of Natural History (1995–2006). She served as director of theCenter for Meteorite Studies atArizona State University from 2006 till 2019, where she oversaw the curation of one of the largest university-basedmeteorite collections,[3] and a variety of research and educational activities.[4] She was appointed as director of ASU's School of Earth and Space Exploration as of 1 July, 2019 and left the position in October 2025 to work for the Scripps Institution of Oceanography.[5] She hassearched for meteorites in Antarctica with the Antarctic Search for Meteorites (ANSMET) Program during two field seasons (2002–03 and 2012–13). She has served as a science team member on a number ofNASA planetary science missions includingGenesis andMars Science Laboratory. She was PI of a proposal for Sample Collection for the Investigation of Mars (SCIM) to the NASA Discovery program in 2010. She is a distinguished visiting scientist at theJet Propulsion Laboratory and also serves as the principal scientist for the Mars Sample Return program. On 16 July 2025, her appointment to several roles at the University of California, San Diego, including director of Scripps Institution of Oceanography was announced, and she joined the university on 1 October 2025.
In 1999 she was awarded the asteroid name8356 Wadhwa by theInternational Astronomical Union (IAU).[6] She was awarded theNier Prize in 2000,[7] aGuggenheim Fellowship in 2005,[8] and theJ. Lawrence Smith Medal by theNational Academy of Sciences in 2021.[9] Wadhwa is an elected fellow of theMeteoritical Society (2006),[10] the Explorers Club (2012),[11] theAmerican Geophysical Union (2019),[12] and theGeochemical Society (2021).[13] She was elected to membership in theNational Academy of Sciences in 2023.[14]