UnitedHealth’s CEO, Andrew Witty, has resigned for personal reasons, leading the nation’s largest health insurance provider to suspend its financial outlook for the year due to unexpectedly high health costs.
Chairman Stephen Hemsley will take over as CEO in the near future. He previously held the CEO position from 2006 to 2017 and is currently still the chairman of the board. Witness will also act as a Senior Advisor to Hemsley.
Witty described leading UnitedHealth Group as a significant honor, acknowledging the team’s daily commitment to enhancing the health system.
Joining the company in 2018 after nearly nine years as CEO of GlaxoSmithKline, Witty was appointed CEO of UnitedHealth in February 2021, succeeding Dave Wichmann.
Under Witty’s leadership, UnitedHealth has grown into one of the largest companies in the nation, generating over $400 billion in revenue last year, up 55% from before his time as CEO.
During his tenure, the stock performed well, rising 60.5%. However, there has been a noticeable decline in stock performance over the past five months, especially after the tragic shooting of Executive Brian Thompson in New York City last December.
This incident has sparked significant public interest, especially following charges against Luigi Mangione, who was accused of the murder. The shooting incident drew attention to broader concerns regarding safety among corporate executives within the healthcare industry.
Additionally, UnitedHealth recently downgraded its financial projections for 2025 after experiencing its worst first-quarter revenue results in over a decade. The company’s stock has fallen 38% since Thompson’s death and dropped more than 8% just prior to Tuesday’s market opening.
On Tuesday, UnitedHealth announced that it has put its 2025 outlook for UnitedHealthcare on hold due to higher-than-anticipated medical costs for new Medicare Advantage patients.
With over 50 million individuals enrolled in its health plans, UnitedHealth Group Inc. also reports an increase in the benefits managers of large pharmacies that handle prescription drug coverage, and its Optum segment, which focuses on care provision and technical support.
UnitedHealthcare stands as the nation’s leading provider of Medicare Advantage plans, serving over 8 million customers, primarily individuals over 65 who are part of federal compensation programs.





