Per. 1 World History/Geography Per. 2 Prep Per. 3 Business Fundamentals Per. 4 Lunch Per. 5 Business Fundamentals Per. 6 World History/Geography Per. 7 Business Fundamentals Mark Aden has been at Cortez since 1999, where he works in the Business Department as Department Chairman.  Mr Aden has worked in a variety of positions before he came to Cortez.  He was an officer in the U.S.A.F. worked in newspaper sales and consumer sales and public service.  He received his bachelors of Social Science through Northern Arizona University and his masters of Public Administration through the University of South Dakota. His hobbies include golfing, running, and traveling.