Daniel Louis Doctoroff (born July 11, 1958) is an American businessman, investor, and former government official renowned for his contributions to urban development, finance, and media. He began his career in investment banking at Salomon Brothers and later became a managing partner at Oak Hill Capital Partners, a prominent private equity firm. From 2002 to 2007, he served as Deputy Mayor for Economic Development and Rebuilding under New York City Mayor Michael Bloomberg, playing a pivotal role in post-9/11 recovery efforts and spearheading New York City's bids for the 2008 and 2012 Summer Olympics. Transitioning back to the private sector, he joined Bloomberg L.P. in 2008, serving as president and CEO from 2013 to 2021, overseeing the company's expansion into data, analytics, and global media. Concurrently, from 2015 to 2021, he founded and led Sidewalk Labs, an Alphabet Inc. subsidiary dedicated to applying technology to urban challenges. Since stepping down from Bloomberg and Sidewalk Labs in 2021, Doctoroff has continued as a senior advisor at Bloomberg L.P. and remains active in philanthropy and innovation, chairing the board of the New York Genome Center and serving on various boards including those of the J. Paul Getty Trust and the World Resources Institute. His career reflects a blend of private equity acumen and public policy expertise.