Daniel Louis Doctoroff is an American businessman and former government official. From 2015 to 2021, he served as chief executive officer of Sidewalk Labs, a startup company he helped found focused on technology for city life. Previously, he was the CEO and president of Bloomberg L.P., deputy mayor for economic development and rebuilding for the New York City under Mike Bloomberg from January 2002 – December 31, 2007, led New York City's bid for the 2008 and 2012 Summer Olympics, and was a managing partner at Oak Hill Capital Partners, a private equity investment firm.

Sidewalk Labs LLC is an urban planning and infrastructure subsidiary of Google. Its stated goal is to improve urban infrastructure through technological solutions, and tackle issues such as cost of living, efficient transportation and energy usage. The company was headed by Daniel L. Doctoroff, former Deputy Mayor of New York City for economic development and former chief executive of Bloomberg L.P. until 2021. Other notable employees include Craig Nevill-Manning, co-founder of Google's New York office and inventor of Froogle, and Rohit Aggarwala, who served as chief policy officer of the company and is now Commissioner of New York City Department of Environmental Protection. It was originally part of Alphabet Inc., Google's parent company, before being absorbed into Google in 2022 following Doctoroff's departure from the company due to a suspected ALS diagnosis.