On Rotation: January 2026

New year, new CEOs.

This month was a busy one. Healthcare companies ranging from multinational corporations to AI startups announced changes to their executive leadership lineup for 2026.

Wondering who’s in and who’s out? We’ve got you covered. Welcome to January 2026’s On Rotation!

Tom Brady. Here’s a name we never thought we’d see on this list. GLP-1 telehealth startup eMed Population Health named the seven-time Super Bowl champion as its inaugural chief wellness officer on Jan. 12.

Nancy Cibotti. Healthcare AI startup Heidi announced Cibotti as its new US-based chief medical information officer on Jan. 28. She was previously associate chief medical information officer and chief innovation officer of primary care at Massachusetts-based Beth Israel Lahey Health.

Everett Cunningham. Biomarker company Quanterix named Cunningham as its next president and CEO effective Jan. 19, succeeding Masoud Toloue, who is staying on as an advisor. Cunningham left his role as chief commercial officer at biotech Illumina for this position.

Jesse Ehrenfeld. The former American Medical Association president has joined Aidoc as its chief medical officer, the medical imaging AI company announced Jan. 7.

Eric Green. On Jan. 8, Illumina tapped the former director of the National Institute of Health’s (NIH) National Human Genome Research Institute as its chief medical officer, effective Feb. 2. Green was forced out of his NIH position in April after 15+ years, Stat reported.

Frederick Lowery. Dental and medical supplier Henry Schein has a new CEO, effective March 2, the company announced Jan. 12. Lowery—previously Thermo Fisher Scientific’s EVP and president of laboratory products and bioproduction—replaced Stanley Bergman, CEO of 35 years. Bergman will stay on as board chair. 

Ritu Malhotra. CVS Health’s former VP of PBM innovation is now president of PBM Illuminate Rx, the company announced Jan. 9.

David Marin. PBM trade group Pharmaceutical Care Management Association named Marin as its new president and CEO, effective Jan. 20. Marin comes to the role after more than five years at drug company Viatris, where he was global head of government affairs, public policy, and advocacy. He replaces Juan Carlos “JC” Scott, whose departure was announced in October.

Jacqueline Miller. Moderna’s chief medical officer is stepping down March 2 after less than a year in the role, the drugmaker announced Jan. 30. She will remain as a consultant.

Debbie Osteen. Don’t call it a comeback. Osteen returned to the role of CEO at behavioral health provider Acadia Healthcare on Jan. 20, the same day former CEO Christopher Hunter resigned from the role. She previously served as CEO from December 2018 to March 2022.

Erica Rossitto. HCA Healthcare, one of the country’s largest health systems, announced Rossitto as its new SVP and chief nurse executive on Jan. 15. She succeeds Sammie Mosier, who died late last year. Rossitto officially takes on the role Feb. 1.