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

Andrew Witty’s departure from the CEO position was due to “personal reasons”, the company said in a statement.

UnitedHealth Group announced that Andrew Witty will step down as CEO due to “personal reasons.” He is being replaced by Stephen J. Hemsley, who served as the company’s CEO from 2006 to 2017.

Shares of UnitedHealth are diving nearly 8% after the health insurer suspended its 2025 guidance and said Stephen J. Hemsley, currently chairman, would take over as chief executive, effective immediately.

Stephen Hemsley hasn’t been CEO at UnitedHealth Group in nearly a decade yet he’s never really left. Hemsley, 72, has remained chairman and a major shareholder in the health care behemoth — and now is back in the CEO

Stephen Weiss, who frequently appears on CNBC, noted on the network yesterday that he was holding onto his position in UnitedHealth Group Incorporated (UNH) after UNH’s CEO, Andrew Witty, resigned, citing “personal reasons.

Stephen Hemsley ran UnitedHealth Group for more than a decade. It's a different company after four years with Andrew Witty in charge.