Gensler took over the SEC in 2021, and under his leadership the commission has taken an ambitious but controversial approach to several regulatory issues, including cryptocurrencies. In addition to Gensler's soon-to-be vacant seat,

The former investment banker never shies from a fight, yet has said he’ll resign from his SEC chair post the same day Donald Trump begins his regulation-slashing presidency.

Securities and Exchange Commission Chair Gary Gensler will step down from his post on January 20. Since taking the lead at the SEC, the commission has been aggressive in its oversight of cryptocurrencies and other regulatory issues.