Tom Keller will no longer assume the role of president and CEO of Joplin, Mo.-based Freeman Health System, the organization confirmed. The system announced in September that he would take on the position on Dec. 1.

Nathan Tudor has been named CEO of Monroe County Hospital in Monroeville, Ala.

Charleston, W.Va.-based Vandalia Health has appointed Diana Landsverk, BSN, RN, to serve as chief nursing officer for the system's Elkins, W.Va-based Davis Medical Center. 

Amy Beales has been named chief human resources officer of Annapolis, Md.-based Luminis Health, effective Dec. 1.

Providence Swedish North Puget Sound has appointed Mila Sprouse, MSN, RN, to serve as chief nursing officer, according to a Dec. 2 news release sent to Becker's. 

Mike McDermott, MD, president and CEO of Fredericksburg, Va.-based Mary Washington Healthcare, will depart the two-hospital health system to become president and CEO of Montage Health in Monterey, Calif., according to a Dec. 2 news release shared with Becker's. 

Michael O'Malley has been appointed senior vice president and supply chain officer of Rockville Centre, N.Y.-based Catholic Health, effective Dec. 2.

Beckley, W.Va.-based Raleigh General Hospital has named Karla Stokes CFO, according to a post on her LinkedIn page. 

AdventHealth has appointed new leaders at several of its hospitals, with executives transitioning from other system facilities.

Chamath Wijewardane has been named CIO of the Mississippi Hospital Association.

Joe Depa has left his post as chief data and AI officer of Atlanta-based Emory Healthcare.

Amy Herold, MD, has been named chief administrative officer of Providence Queen of the Valley Medical Center in Napa, Calif.

Southport, N.C.-based Dosher Memorial Hospital named Ed Tusa CFO. 

Jackie Kernan, MSN, RN, has been named president of OSF HealthCare St. Katharine Medical Center in Dixon, Ill.

Overland Regional Medical Center in Kansas, part of HCA Midwest Health, has named Jim Boyle, MSN, RN, as chief nursing officer, according to a Nov. 25 news release sent to Becker's. 

Jim Engler has been named chief of staff of Philadelphia-based Jefferson Health and Thomas Jefferson University.

Houston-based Memorial Hermann Health System has appointed Max Reynolds as senior vice president and chief legal officer, effective Dec. 9,  according to a Nov. 25 news release. 

Collin McLaughlin has been named CEO of LewisGale Medical Center in Salem, Va., effective Nov. 1.

Marie Wamsley has been named CEO of Darlington, Wis.-based Memorial Hospital of Lafayette County, effective Dec. 16.

Penny Koval, MSN, RN, has been named administrator of critical access hospitals at Wailuku, Hawaii-based Maui Health, effective Nov. 1.