AdvertisementWall Street Insider Turned Tough Market Cop: Biden's Pick To Head SECJanuary 27, 2021Chris ArnoldfacebookEmailGary Gensler, President Biden's pick to head the Securities and Exchange Commission, arrives to testify on Capitol Hill back in 2012. Gensler won over many skeptics by pushing through tough reforms after the financial crisis when he ran the Commodity Futures Trading Commission. (AP)