Ketanji Brown Jackson (born September 14, 1970)[1] is an American attorney, and jurist serving as a federal judge on the United States Court of Appeals for the District of Columbia Circuit since 2021.

Born in Washington, D.C., and raised in Miami, Florida, Jackson attended Harvard University for college and law school, where she served as an editor on the Harvard Law Review. She began her legal career with three clerkships, including one with U.S. Supreme Court Associate Justice Stephen Breyer. Prior to her elevation to an appellate court and from 2013 to 2021, she served as a district judge on the United States District Court for the District of Columbia. Jackson was also vice chair of the United States Sentencing Commission from 2010 to 2014. Since 2016, she has been a member of the Harvard Board of Overseers.

On February 25, 2022, President Joe Biden announced that Jackson was his nominee for associate justice of the Supreme Court of the United States, filling the vacancy that would be created upon Breyer's planned retirement.