Elizabeth Warren May Be Chair of the US Senate Banking Committee According to the Wall Street Journal, Democratic Senator Elizabeth Warren, known for her position on tightening the regulation of cryptocurrencies, may be the chair of the Senate Banking Committee in January 2027. In her new role, Warren will have expanded powers to oversee the financial sector, including the authority to demand documents and subpoena evidence. Possible priorities include investigating information trading in prediction markets, reviewing crypto companies' customer protections and examining potential conflicts of interest for Donald Trump and his family.