UnitedHealth Group CEO Steps Down Amid Tumultuous Year
UnitedHealth Group, a leading healthcare conglomerate, is undergoing significant leadership changes as CEO Andrew Witty steps down from his position. The company announced on May 13 that Witty’s departure is due to personal reasons, marking the end of his tenure as CEO. Taking the helm is Stephen J. Hemsley, a familiar figure who previously served as CEO of UnitedHealth Group from 2006 to 2017. Hemsley will also retain his position as chairman of the company’s board of directors.
Witty’s departure comes after a challenging year for UnitedHealth Group, marked by higher-than-expected medical costs, a significant data breach, and the tragic murder of a high-ranking executive. Despite these setbacks, the company expressed optimism about its future, stating its expectation to return to growth in 2026.
Hemsley acknowledged Witty’s contributions to the company, particularly during difficult times. "We are grateful for Andrew’s stewardship of UnitedHealth Group, especially during some of the most challenging times any company has ever faced," he said in a news release. He further praised Witty’s leadership and compassion, wishing him and his family well.
Looking ahead, Hemsley outlined the company’s goal to return to its long-term growth objective of 13 to 16 percent. Witty, while stepping down as CEO, will remain involved as a senior advisor to Hemsley, ensuring a smooth transition and continuity of expertise.
Financial Outlook and Challenges
Alongside the leadership transition, UnitedHealth Group announced a suspension of its 2025 outlook. The company cited higher-than-expected medical costs among Medicare Advantage beneficiaries new to UnitedHealthcare as a contributing factor. This decision led to a significant decline in the company’s stock price, with shares dropping more than 10% in morning trading on May 13.
The stock decline reflects investor concerns about the company’s financial performance in the face of rising medical costs and other challenges. UnitedHealth Group’s stock had also experienced a dip earlier in the year following a report by the Wall Street Journal that the U.S. Justice Department was investigating the company’s Medicare billing practices. The civil fraud investigation focuses on the company’s methods for recording diagnoses that lead to increased payments to its Medicare Advantage plans. As of 1:15 p.m. ET on May 13, UnitedHealth Group’s stock price was below $320, reflecting a more than 15% drop on the day.
A Year of Tumult and Tragedy
UnitedHealth Group’s leadership change and financial outlook adjustments come against the backdrop of a tumultuous year for the company. In 2024, UnitedHealth Group faced a massive data breach and the shocking murder of Brian Thompson, the CEO of its insurance unit, UnitedHealthcare.
The data breach, which occurred in February 2024, affected the company’s Change Healthcare subsidiary. Hackers stole records of approximately 190 million people, making it the largest health industry data breach in history. This figure is nearly double the company’s initial estimate of 100 million victims. The breach disrupted the healthcare industry, as doctors and hospitals faced difficulties in collecting payments due to the shutdown of computer systems.
Adding to the company’s woes, Brian Thompson, the CEO of UnitedHealthcare, was murdered in December 2024. The incident led to a nationwide manhunt and the eventual arrest of Luigi Mangione in Altoona, Pennsylvania. Mangione has pleaded not guilty to Thompson’s murder, and his trial is pending.
Thompson’s murder sparked a national conversation about UnitedHealthcare and the U.S. health insurance industry as a whole. Wendell Potter, a former CIGNA executive who became a whistleblower against the health insurance industry, criticized the system, arguing that it is rigged against Americans who need care and those who have health insurance, largely due to the role of Wall Street in healthcare.
Addressing Systemic Issues
Following Thompson’s murder, Andrew Witty published an op-ed in The New York Times, acknowledging the flaws in the U.S. health system and the need for reform. He also defended UnitedHealthcare and its employees, who had been subjected to threats.
Witty wrote, "We know the health system does not work as well as it should, and we understand people’s frustrations with it. No one would design a system like the one we have. And no one did. It’s a patchwork built over decades." He further expressed the company’s commitment to working towards a better healthcare system.
Moving Forward
As UnitedHealth Group navigates these challenges, the leadership change and the company’s response to the data breach and Thompson’s murder will be critical. Stephen Hemsley’s return as CEO provides stability and experience, while Andrew Witty’s continued involvement as a senior advisor will ensure a smooth transition.
The company’s focus on returning to its long-term growth objectives and addressing the issues within the healthcare system will be crucial for its future success. UnitedHealth Group’s ability to overcome these challenges and adapt to the evolving healthcare landscape will determine its ability to maintain its position as a leading healthcare provider.