Harvard University provost Alan Garber, MD, PhD, has been appointed interim president of the Cambridge, Mass.-based institution following the resignation of Claudine Gay, PhD.

Kalamazoo, Mich.-based Bronson Healthcare has appointed Martinson Arnan, MD, as senior vice president and chief physician executive.

As 2023 comes to a close, Becker's recently connected with Calie Santana, MD, senior medical principal for innovation for St. Louis-based Evernorth Health Services, to hear her perspective on the trends that defined the healthcare industry in 2023.

Becker's recently connected with Michelle Stansbury, VP of Innovation and IT Applications at Houston Methodist, to hear her perspective on the past year and how she will lead the hospital group in 2024.

Physicians and patients face a variety of barriers in the healthcare system when delivering or seeking care, with many healthcare leaders seeking solutions to reduce these challenges and deliver high quality care.

Staffing shortages, changes in healthcare reimbursement and the embrace of diversity, equity and inclusion measures were among the trends Brighton Ncube, senior vice president of physician practices and ambulatory care at Kingman (Ariz.) Regional Medical Center, identified as having the biggest impact on the healthcare space in 2023.

Here are 18 physician executives who retired, resigned or plan to resign from their positions that Becker's has reported on in 2023:

Healthcare leaders and government officials have focused attention on violence in healthcare settings in 2023, with health systems setting clear expectations about visitor behavior and lawmakers introducing legislation to stiffen penalties for those who commit violence against healthcare workers.

Eleven physicians recently connected with Becker's to discuss the trends that had the biggest impact on the healthcare space in 2023.

W. Kimryn Rathmell, MD, PhD, is the new director of the National Cancer Institute.

Three physicians recently joined Becker's to discuss the healthcare trends they are most worried about as the new year approaches. 

Vineeta Agarwala, MD, PhD, was appointed to the board of directors of Dallas-based Tenet Healthcare.

Stephen Keen, MD, has been appointed CEO of Florida Health Care Plans, The Daytona Beach News-Journal reported Dec. 13.

Here are five leadership moves reported by Becker's that caught the attention of physicians in 2023, ranked by number of page views:

Here are 20 new physician CEO appointments that Becker's reported on in 2023:

Here are 12 chief physician executive and physician-in-chief appointments that Becker's reported on in 2023: 

Here are 32 physicians who were appointed to president roles that Becker's has reported on in 2023:

Penny Castellano, MD, has been appointed president of the Atlanta-based Emory Healthcare Physician Division and interim director of Emory Clinic.

Here are five key statistics that are concerning physicians this year:

Fortune and PINC AI have collaborated to identify the top health systems of the year, with the Mayo Clinic topping the list.