Gary Gensler, pictured during a Senate hearing in July 2013, will be nominated to lead the Securities and Exchange Commission for the Biden administration.

WASHINGTON, DC – JULY 30: Commodity Futures Trading Commission Chairman Gary Gensler testifies before the Senate Banking, Housing and Urban Affairs Committee in the Dirksen Senate Office Building on Capitol Hill July 30, 2013 in Washington, DC. Gensler and Securities and Exchange Commission Chairman Mary Jo White testified and took questions from Senators during the hearing titled, “Mitigating Systemic Risk in Financial Markets through Wall Street Reforms.” (Photo by Chip Somodevilla/Getty Images)