UnitedHealth Group Inc. Chief Executive David Wichmann retired after 40 months in the role and was succeeded by Andrew Witty, the company’s president, an abrupt move that raises questions about the reasons for the change.
UnitedHealth Group Inc. Chief Executive David Wichmann retired after 40 months in the role and was succeeded by Andrew Witty, the company’s president, an abrupt move that raises questions about the reasons for the change.