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.

André Ritter, DDS, PhD, has been appointed dean of the University of Washington School of Dentistry in Seattle, effective Sept. 16.

Convergent Dental founder and CEO Mike Cataldo is retiring July 18, the Needham, Mass.-based company said June 30.

Woodbridge, Va.-based DSO Lightwave Dental selected Chris Suscha as its chief development officer.

Fort Worth, Texas-based Rodeo Dental & Orthodontics has appointed Rose Huddleston chief people officer.

A teledentistry company that named its CFO and four other dental leadership moves since June 13:

Sonendo's chief technology officer and vice president of general counsel are planning to leave the dental technology company for other opportunities.

SmileDirectClub has appointed David Rodriguez vice president of professional relations and marketing. 

Atlanta-based DSO Benevis has appointed Gaile Omori senior vice president of human resources.

Dental subscription service Membersy has promoted Michael Shuman to CEO. 

Nashville, Tenn.-based teledentistry company SmileDirectClub recently named Troy Crawford its permanent chief financial officer.

The American Dental Association names its new chief strategy officer and four other dental leadership moves that took place in the last two weeks:

The American Dental Association has promoted Dave Preble, DDS, to the role of chief strategy officer and senior vice president of its practice institute, effective immediately. 

Stony Brook University appointed a dean for its dental school and five other dental leadership moves took place in the last two weeks: