CVS Health announced several leadership updates, effective immediately. CEO of Oak Street Health and interim lead of Health Care Delivery, Mike Pykosz, has been formally appointed President of Health Care Delivery. CVS Health announced on October 13, 2023 the interim appointments, and that Shawn Guertin would be taking a leave of absence.

Guertin will be stepping down from his roles due to family health reasons and will remain on personal leave and will leave the company on May 31, 2024. Pykosz joined CVS Health following the acquisition of Oak Street Health on May 2, 2023. As CEO and a co-founder of Oak Street, he built it into a leading multi-payor, value-based primary care platform.

During his time at CVS Health, Pykosz has been focused on continuing to run the Oak Street Health business, while also helping to unify all of CVS Health's care delivery assets.