Oscar Arriaga joined Mesa Air Group in Nov 2003 as the Maintenance Manager of the Tucson station. In Feb 2004 he was promoted to Director of Quality Assurance for Freedom Airlines and shortly thereafter he was promoted to Director of Maintenance for Mesa Airlines. Previous experiences were Manager of Maintenance Aloha Airlines and Director of Quality Control ProAir Airlines. Mr. Arriaga earned an associate degree from the Community College of the Air Force and has more than 20 years experience in the aviation industry.