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.

Beth Walker, who has served as CEO of Ochsner Baptist in New Orleans since 2019, has been appointed CEO of Ochsner Health's flagship facility.

Steven Foster has been appointed the next president and CEO of Sacramento, Calif.-based Mercy General Hospital. 

Providence, R.I.-based Lifespan has reduced executive positions by 20%, John Fernandez, Lifespan president and CEO, said in a statement shared with Becker's.

Rustin Beck has been named COO of Lakeview Hospital in Bountiful, Utah, according to a Sept. 20 LinkedIn post from the hospital.

Bernie Albertini stepped down from his role as administrator and chief operating officer of East Ohio Regional Hospital in Martins Ferry, effective Sept. 16. 

Michael Hughes, senior vice president and chief administrative officer of Buffalo, N.Y.-based Kaleida Health, will depart the organization at the end of year.

Julie Taylor, president and chief development officer of Erlanger Health System's philanthropic arm, will retire on Sept. 30, according to a news release from the Chattanooga, Tenn.-based health system.

Nisha Mills has been named COO of HCA Florida Palms West Hospital in Loxahatchee, effective Nov. 1.

David Miller, MD, has been tapped as Ann Arbor, Mich.-based Michigan Medicine's next CEO. He will step into the role July 1.

Heidi Wald, MD, departed from her role as Intermountain Health's chief quality and safety officer Sept. 13, the system confirmed to Becker's. 

Novant Health has expanded the roles of two executive team members, Dean Swindle and Sanjay Gupta, according to a Sept. 19 news release from the Winston-Salem, N.C.-based system. 

The University of Chicago Medical Center has appointed Tipu Puri, MD, PhD, as chief medical officer, according to an internal email sent to Becker's. 

Michelle Stansbury has been named associate chief innovation officer at Houston Methodist. 

Sandy Dugger has been named CEO of Platte County Memorial Hospital in Wheatland, Wyo.

Jason Troxell has been appointed president of Wausau, Wis.-based Aspirus Health's Wisconsin Northwest division.

Johnson City, Tenn.-based Ballad Health has made several leadership appointments within its 20-hospital system.

Brian Smolskis has been appointed COO of Lompoc (Calif.) Valley Medical Center.

Tom Keller is stepping down from his role as president and CEO of West Plains, Mo.-based Ozarks Healthcare for a new leadership position.