Trump removed Wall Street’s secret shackles. Now banks are prowling for deals

But three months after Trump’s 2017 inauguration, a sequence of events laid the groundwork for deals to finally get done: Tarullo, whom bankers had nicknamed the “the Wizard of Oz” for his behind-the-curtains influence, stepped down from his post at the Fed. Curry left the OCC a month later, and Treasury Secretary Steven Mnuchin named a banking lawyer, Keith Noreika, to temporarily replace him. Under Noreika, who ran the OCC for about seven months until November 2017, the regulator relaxed its stance on expansion.