Rex HoffmanRex Hoffman, MD, MBA, CPE, is the chief medical officer at Providence Holy Cross Medical Center in Los Angeles, California. He earned his medical degree at Tulane School of Medicine and is a board-certified radiation oncologist. Always looking to hel chief medical officers in his health system, he created the CMO Handbook for new CMOs and the Medical Directorship Playbook to guide chief medical officers in managing medical directorships. Read More Read Less