Jarrod Johnson has been appointed CEO of Birmingham, Ala.-based UAB Callahan Eye Hospital, effective Oct. 1.

Emory Healthcare has hired LeWanza Harris, MD, to serve as chief quality officer. 

Maimonides Health has appointed Eitan Dickman, MD, as chair of emergency medicine, a role in which he will oversee operations for three emergency departments in Brooklyn. 

Brian Marger has been named CEO of Nashville, Tenn.-based TriStar Skyline Medical Center, part of HCA Healthcare.

Mark Garvin became senior vice president for partnership and new venture development at Banner Health in Phoenix on Sept. 9.

Leslie Lawson has been named COO of South Charleston, W.Va.-based WVU Medicine Thomas Hospitals, effective Sept. 30.

Jackson-based West Tennessee Healthcare has promoted its COO to the top leadership role following the death of President and CEO James "JR" Ross, BSN.

Cory Ferrier has been named COO of AdventHealth Littleton (Colo.), effective Nov. 4.

Tina Burch, MSN, RN, was appointed CEO of Doctors Hospital of Manteca (Calif.), part of Dallas-based Tenet Healthcare, according to a Sept. 24 news release shared with Becker's.

Richie Splitt has stepped down from his role as CEO of Norman (Okla.) Regional Health System.

Orlando Health has named Shahidul Mannan as its new chief data, analytics and AI officer.

Columbus (Ind.) Regional Health's executive vice president and chief medical officer, Tom Sonderman, MD, plans to retire in 2025 after 35 years with the organization. 

Siva Balu, UnitedHealthcare's former CIO and senior vice president, has departed the company to assume a new position at a health insurance agency jointly owned by various health systems.

Aganette Parks has been named COO of Delray Medical Center in Delray Beach, Fla., after serving in the role on an interim basis since July.

Sierra Vista, Ariz.-based Canyon Vista Medical Center has tapped Erika Wier as CFO, effective immediately. 

David Whelan was appointed senior vice president of strategy and development for the HCA Healthcare TriStar Division, according to a news release shared with Becker's.

Hollywood, Fla.-based Memorial Healthcare System has tapped an interim CEO following the board of commissioners' vote to end K. Scott Wester's contract and his subsequent resignation. Mr. Wester had been president and CEO since 2022.

Carly Loper has been named acting CEO of Brawley, Calif.-based Pioneers Memorial Healthcare District following the departure of Christopher Bjornberg.

Kristen Blum was named president of CHI Health Mercy-Council Bluffs (Iowa), according to a news release shared with Becker's.

Niagara Falls (N.Y.) Memorial Medical Center has promoted two executive leaders, with Rick Braun Jr. stepping into the role of executive vice president and chief operating officer, and Matthew DuBois becoming vice president and CFO, effective Oct. 20.