UnitedHealth Group announced that CEO Andrew Witty is stepping down due to 'personal reasons,' Stephen Hemsley will replace him.

UnitedHealth Group CEO Andrew Witty is stepping down from his position with the United States' largest health insurer. Meanwhile, the company suspended its 2025 full-year financial outlook due to higher-than-expected medical costs.

UnitedHealth Group Chief Executive Officer Andrew Witty stepped down, effective immediately, "for personal reasons", the company said Tuesday. “Leading the people of UnitedHealth Group has been a tremendous honor as they work every day to improve the health system, and they will continue to inspire me,” Witty said in a statement shared by UHG.