President and Chief Executive Officer
Don Joos was appointed CEO in August 2013. He has a proven track record of building and transforming businesses through innovative growth plays, and brings a wealth of strategy, operations and execution experience to Mitel.
Joos joined Mitel in April 2011 as vice president of global services, and later served as senior vice president of business operations overseeing company operations through the direct management of engineering/R&D, product management, global support and services, IT, quality and operations. Prior to joining Mitel, Joos spent nine years as a company vice president at Avaya. Joos applied his business entrepreneurial capabilities helping to build an e-commerce start-up and has held service and operational roles at Williams Communication Solutions, Nortel Communication Solutions and Marshalls Inc.
He holds a bachelor’s degree in sports management from Springfield College in Massachusetts.