William J. Gertner has been appointed vice president of sales and marketing at Great Lakes Orthodontics Ltd, Buffalo, NY. Formerly director of sales and marketing, Gertner will continue his role in the development and execution of strategic marketing and sales initiatives, including evaluation and expansion of the company’s product line, and promotion of vendor and clinician relationships. 

Gertner joined Great Lakes Orthodontics in 1992, and held positions including sales representative, sales manager, and director of sales prior to his promotion to the executive management team.