Descriptor Systems was founded in 1984 by Joel Barnum and Tom Gaven (who has since moved on to to other things). Since then, we have been in the technical training business, providing courseware and training services to companies across the United States, Canada, Europe and Asia. We specialize in programming languages and related technologies, such as Java, C++ and XML.

Contact Information

• Email: Sales
• Phone: 888-849-5350 toll-free in the USA
• Phone: 319-362-3906
• Cellphone: 319-270-1227

Our mailing address is: