Arati Prabhakar (born February 2, 1959) is an American engineer and public official. Since October 3, 2022, she has served as the 12th director of the White House Office of Science and Technology Policy and Science Advisor to the President.^[1][2]

From 1993 to 1997, Prabhakar served as Director of the National Institute of Standards and Technology (NIST), the first woman to hold the position.^[3][4][5] Prabhakar served as Director of DARPA (United States Defense Advanced Research Projects Agency) from 2012 to 2017. In 2019, she founded and became CEO of Actuate, a data-focused nonprofit organization.^[6]

Prabhakar's family immigrated to the United States from New Delhi, India, when she was three;^[7] her mother was seeking an advanced degree in social work in Chicago. Prabhakar grew up in Lubbock, Texas, from age ten.^[8][3] Her mother encouraged her to pursue a doctorate from a very early age.^[9][10]

In 1979, she obtained a B.S. degree in electrical engineering from Texas Tech University in Lubbock, Texas.^[11] She earned an M.S. degree in electrical engineering in 1980 and a Ph.D. in applied physics in 1984, both from the California Institute of Technology.^{[8][12][13][14]} She was the first woman to earn a PhD in applied physics from Caltech.^[3]

This section needs to be updated. (February 2023)

After receiving her PhD, she went to Washington, D.C., on a 1984 to 1986 congressional fellowship with the Office of Technology Assessment.^[11] Prabhakar subsequently worked at DARPA from 1986 to 1993, initially as a program manager but later as founding director of DARPA's Microelectronics Technology Office.^[8]

At the age of 34, Prabhakar was appointed as head of the National Institute of Standards and Technology (NIST), a position she held from 1993 to 1997.^[8][3] After NIST, she was the Chief Technology Officer and senior vice president of Raychem from 1997 to 1998.^[15][16] She was then the vice president and later president of Interval Research from 1998 to 2000.^[15][16]

She joined U.S. Venture Partners from 2001 to 2011, focusing on investment in green technology and information technology startups.^[8] On July 30, 2012, she became the head of DARPA, replacing Regina E. Dugan.^[8] She left DARPA in January 2017.^[17]

Prabhakar was a Fellow at the Center for Advanced Study in the Behavioral Sciences (CASBS) at Stanford 2017–18.^[18] In 2019, she started Actuate, a nonprofit organization focused on issues including climate change and chronic diseases.^[19]

Prabhakar is a member of the Institute of Electrical and Electronics Engineers and was named IEEE Fellow in 1997 for "leadership in partnering between industry and government to promote economic growth through the development of manufacturing technologies for semiconductor devices".^[15][21] She is a member of the National Academy of Engineering.^[22] She has also been named a Texas Tech Distinguished Engineer and a Distinguished Alumna of California Institute of Technology.^[15]

She is a member of the governing board for the Pew Research Center^[23] and a member of the U.S. National Academies' Science Technology and Economic Policy Board.^[24] She was a member of the board of directors of SRI International in 2012,^[25] and was also a member of the U.S. National Academies' Science Technology and Economic Policy Board and the College of Engineering Advisory Board at the University of California, Berkeley.^[15][26]

Prabhakar is featured in the Notable Women in Computing cards.^[27]