J. Christopher Giancarlo is an American attorney and former business executive who served as 13th chairman of the United States Commodity Futures Trading Commission (CFTC). Giancarlo was sworn in as a CFTC commissioner on June 16, 2014, for a term expiring on April 13, 2019. Starting on January 20, 2017, with President Donald Trump's inauguration, Giancarlo began serving as acting chair of the CFTC. In March 2017, the president nominated Giancarlo to be full-time chair of the commission. Giancarlo was confirmed as chairman of the commission by the United States Senate on August 3, 2017.