Sanjay Singh, MD, has been named chief clinical executive at Minneapolis-based Allina Health.

Matthew Foster, MD, has been appointed president and CEO of Mount Ascutney Hospital and Health Center in Windsor, Vt., and of Valley Regional Hospital in Claremont, N.H., both members of Lebanon, N.H.-based Dartmouth Health.

Mike Eesley, executive vice president and CFO of West Reading, Pa.-based Tower Health, will be exiting his role after the system finds his successor.

Sayre, Pa.-based Guthrie has appointed its inaugural chief academic officer, Jean Miner, MD, effective Jan. 2.

Andrew Santos was appointed president and CEO of AdventHealth North Pinellas in Tarpon Springs, Fla.

Cris Ross, CIO of Rochester, Minn.-based Mayo Clinic, has retired, according to a health system spokesperson.

The Nassau Health Care Corp. board has appointed three leaders — including its president and CEO  — to serve at Nassau University Medical Center in East Meadow, N.Y.

Josiah "Sy" Johnson has been named CEO of Good Samaritan Regional Medical Center in Corvallis, Ore.

Scott Raynes, president and CEO of Brunswick-based Southeast Georgia Health System since 2022, will step down in March 2025 for a new role.

Austin Reeder has been named the next president of Froedtert Hospital in Milwaukee, effective Feb. 10.

Mike Howard has been named North Alabama market president and CEO of two Lifepoint Health hospitals.

Houston Methodist has named Jenny Chang, MD, as the next president and CEO of its academic institute and systemwide chief academic officer. 

Renton, Wash-based Providence has appointed Brendan Lloyd, MD, to serve as chief medical officer for the Providence Clinical Network on a permanent basis. 

Brian Harte, MD, has been named president of Cleveland Clinic's east submarket in the Northeast Ohio market, effective Feb. 1.

UC San Diego Health has named Chantelle Venter CFO of its physicians group, according to a post on her LinkedIn page. 

Amanda Barash has been named senior vice president and CFO of MedStar Washington (D.C.) Hospital Center and Columbia, Md.-based MedStar Health Research Institute, according to a post on her LinkedIn page. 

Todd Hickey, chief strategy officer of Greenville, N.C.-based ECU Health, will assume a new role Jan. 1.

David Hughes, president of Shore Medical Center in Somers Point, N.J., has also taken on the role of CEO, effective Dec. 1.

Doug Ekeren, regional president and CEO of Avera Sacred Heart Hospital in Yankton, S.D., will retire in May after a 39-year healthcare career.

Newark, Del.-based ChristianaCare named Maureen Leffler, DO, chief well-being officer on Nov. 25.