Jennifer Doudna is an American biochemist known for her pioneering work in the field of genetics. She is best recognized for co-developing the CRISPR-Cas9 gene-editing technology, which allows scientists to modify DNA with precision. This breakthrough has significant implications for medicine, agriculture, and biological research. Doudna was born on February 19, 1964, in Washington, D.C. She earned her Ph.D. from Harvard University and has held faculty positions at Stanford University and the University of California, Berkeley. Her contributions to science have earned her numerous awards, including the Nobel Prize in Chemistry in 2020.