- Master of Arts Degree in Educational Technology. Educational Technology. Pepperdine University, CA.
- Graduate School of Education and Psychology, Los Angeles, CA.
- Bachelor of Science in Occupational Studies with emphasis in Vocational Arts. Department of Occupational Studies, California State University at Long Beach (CSULB) Long Beach, CA
- University of California Santa Barbara (UCSB), Santa Barbara, CA. Webmaster Certificate Program
- University of California Los Angeles (UCLA), Glendale, CA. State of California Vocational Education Teaching Credential. Valid for life.
- Florida Institute of Technology, Jensen Beach, FL. Associate in Science degree Underwater Technology with distinction.
Don has been at SBCC since 1989, serving as program Director from 1994-2003. He received his A.S. degree in Underwater Technology from Florida Institute of Technology, B.S. in Vocational Education at California State University and an M.A. in Educational Technology from Pepperdine University.
Don has been working in the marine technology industry for over 31 years. Before coming to work at SBCC, he worked as a submarine/ADS/ROV pilot and diver for several commercial diving corporations and as Pacific Division Manager of International Underwater Contractors, Inc.
He currently serves on the Board of Directors of The Association of Commercial Diving Educators, Inc. (ACDE.) He is an active status Course Director/Instructor Trainer with the National Association of Underwater Instructors (NAUI), The International Association of Nitrox and Technical Divers (IANTD) and Divers Alert Network (DAN). Don is also a member of NAUI's Technical Diving Advisory Board.
Don is the author of "Fundamentals of Underwater and Marine Equipment " a manual which has been published for use in the Marine Technology program.
In 2008, SBCC selected Don as the Annual Faculty Lecturer which is SBCC's highest honor.
The criteria for selection to deliver the lecture are outstanding classroom teaching, counseling, or librarianship, and unselfish, dedicated faculty service to Santa Barbara City College. Barthelmess has the distinction of being the first faculty lecturer in the 29-year history of the award to represent a career technical education discipline.