Executive Moves

Raymond Cohlmia, DDS, has resigned as executive director of the American Dental Association, effective immediately.

Dental technology company Dentsply Sirona has appointed two new members to its board of directors. 

Chicago-based Aspen Dental Management has appointed Mindy Streem, DMD, as its new director of orthodontic support.

Charleston, W.Va.-based P3 Partners Oral Surgery has appointed Marshall Green, DDS, as chief clinical officer.

Scottsdale, Ariz.-based Spear Education has appointed Dan Butterman, DDS, as chief dental officer.

The American Dental Association promoted Hana Alberti, DDS, to vice president of dental practice.

Dental laser company Convergent Dental has named Todd Hornsby as the organization's first chief commercial officer.

Little Rock, Ark.-based Lyon College School of Dental Medicine appointed Mark Anderson, DDS, as associate dean of academic affairs.

Denbright Dental Labs has appointed Greg Minzenmayer as chief commercial officer.

The University of Nebraska Medical Center College of Dentistry has named Richard Williamson, DDS, as its new director of global student experiences.