Rhee Perry, BSN, RN, has been appointed CEO of Southern Tennessee Regional Health System-Lawrenceburg, part of Brentwood, Tenn.-based Lifepoint Health, effective Jan. 6.

Rex Walk has been named CEO of Southeast Colorado Hospital District in Springfield.

COO moves at hospitals and health systems across the U.S. captured readers' interest in 2024, including retirements, appointments and resignations.

Flint, Mich.-based Insight Health System has named Dr. Maliha Hashmi, a leader in AI-driven precision care, health equity and wellness advocacy, as its first global ambassador.

Effective Dec. 30, Victor Llamas, BSN, will become chief nursing officer of HCA Florida Poinciana Hospital in Kissimmee. 

Burlington, Mass.-based Tufts Medicine has named Rachel Verville senior vice president of revenue cycle, according to a Dec. 17 post on her LinkedIn page. 

Mary Armijo has been appointed COO of Lovelace Medical Center in Albuquerque, N.M., effective Jan. 6.

Bob Carter, MD, PhD, has been named CEO of Salt Lake City-based University of Utah Health and senior vice president for health sciences at the University of Utah, effective mid-February.

Eric Kleinert, MSN, RN, has been named chief administrative officer of Robert Wood Johnson University Hospital Rahway (N.J.), effective Dec. 31.

While many hospital and health system CEOs who took on new roles in 2024 switched organizations or facilities, a few stood out for returning to a former workplace.

Molly Frick has been named interim chief human resources officer for Huntington, W.Va.-based Marshall Health Network, effective Jan. 2.

St. Louis-based Mercy has appointed John Mohart, MD, as executive vice president and COO, marking the first time a physician will fill this role at the 50-hospital health system.

Little Rock, Ark.-based CHI St. Vincent has appointed Garrett Lewis, MD, as market chief medical officer, according to a news release sent to Becker's Dec. 17. 

Greensboro, N.C.-based Cone Health, a five-hospital system, has promoted Melissa Shearer to the new role of vice president, strategy. 

Worcester, Mass.-based Fairlawn Rehabilitation Hospital promoted Samantha Gauvin to chief nursing officer.

Dave Tkachuck has been named president and CEO of UChicago Medicine AdventHealth La Grange (Ill.), effective Jan. 6.

Tyler Sherrill has been named CEO of Tenet Healthcare's Florida Coast Medical Center in Port St. Lucie, which is set to open in September 2025.

Among the CEO moves at hospitals and health systems across the U.S. that Becker's reported in 2024, some stood out for their brief tenures, while others were notable retirements from prominent health systems. Various other moves also piqued interest. 

Becker's has reported on nearly 200 CFO transitions this year, including several at prominent health systems. 

Edison, N.J.-based Hackensack Meridian Health has named Erin Miller vice president of revenue cycle integration, according to a post on her LinkedIn page.