Rep. Ro Khanna will serve as co-chair of Bernie Sanders’ 2020 presidential campaign, it was announced on Thursday. Khanna also offered his endorsement of the progressive trailblazer’s second run for president. which Sanders announced earlier this week.

“Every 50 years, there is someone who can fundamentally alter the course of American politics,” said Khanna. “Bernie Sanders has the chance to reorient our economic policy towards workers and communities left behind instead of corporate interests and to reorient our foreign policy to prioritize peace, diplomacy and restraint instead of war.”

In addition to Khanna, Sanders’ campaign announced three other co-chairs, all from diverse backgrounds. Ohio state Sen. Nina Turner, also head of Our Revolution, an offshoot of Sanders’ 2016 presidential bid was named co-chair, along with San Juan Mayor Carmen Yulin Cruz, and Ben Cohen, co-founder of Ben & Jerry’s Ice Cream.

Khanna’s endorsement comes in stark contrast to his fellow East Bay progressive colleague, Rep. Barbara, who last week endorsed Bay Area native Sen. Kamala Harris’s campaign for president. Harris’s campaign, in contrast to Sanders’ Democratic socialism, is expected to cater to a more left-of-center slice of the electorate.