Dental supplier Dentsply Sirona appointed Simon Campion president and CEO, effective Sept. 12.

Chicago-based DSO Aspen Dental has hired Payam Ataii, DMD, to be its senior vice president of orthodontic support. 

A Virginia DSO appointed its next chief financial officer, and four other dental C-suite appointments have been covered by Becker's since July 26. 

Nine dental schools have appointed deans so far this year. 

Lily Garcia, DDS, is stepping down as dean from the University of Nevada Las Vegas School of Dental Medicine to join Texas A&M University College of Dentistry as its new dean. 

Miami-based Guardian Dentistry Partners has promoted Max Van Vliet to the role of vice president of partnership development.

The Western University of Health Sciences College of Dental Medicine in Pomona, Calif., recently appointed Elizabeth Andrews, DDS, its new dean.

Grand Rapids, Mich.-based Spectrum Health appointed its chief dental officer and five other dental leadership moves from the past two weeks:

Dental supplier Dentsply Sirona terminated Chief Accounting Officer Ranjit Chadha, effective Sept. 2, and is replacing him with Richard Wagner.

The CareQuest Institute for Oral Health recently appointed Kaz Rafia, DDS, chief health equity officer. 

National Dentex Labs selected Bob Joyce as the company's CEO and added him to its board of directors.

Spectrum Health named Everod Coleman, DMD, as chief dental officer.

An oral surgery-focused management services group that added its second chief clinical officer and three other dental leadership moves from the last two weeks:

U.S. Oral Surgery Management is adding a dentist who will serve as a second chief clinical officer as the company continues its expansion.

Here are five dental leaders who have retired or have plans to retire this year that Becker's has reported on since Jan. 19:

Dental management services company Lightwave Dental named Steven Flack as CFO.

A dental subscription service company named a new CEO and six other C-suite appointments in the past 60 days:

A DSO that appointed a chief development officer and eight other dental leadership moves since June 27:

Dental laser company Biolase recently promoted Jennifer Bright to chief financial officer and Steven Sandor to chief operating officer, effective immediately.

Dental technology company Sonendo has appointed Joanne Lindberg as vice president of sales in North America.