World Bank President Resigns to Join Investment Firm

Early departure could reignite battle over who gets to pick leader of institution

WASHINGTON—World Bank President Jim Yong Kim unexpectedly announced his resignation on Monday, setting up a potential dispute between the U.S. and other member countries over selecting the next leader of the world’s largest development-finance institution.

Mr. Kim plans to leave the bank on Feb. 1, nearly three years before his term was set to expire, to join a firm focused on infrastructure investments.

He...