Rohit Chopra was one of the more important regulators from the previous Democratic administration who was still on the job since President Trump took office on Jan. 20.

Rohit Chopra, who led the Consumer Financial Protection Bureau, was known for his aggressive enforcement and expansion of consumer protection laws.

Rohit Chopra announced early Saturday he was stepping down as head of the top U.S. watchdog agency for consumer finance after President Donald Trump fired him overnight, according a letter Chopra posted online and a person familiar with the situation.