Contact Information

A HELPFUL SUGGESTION: Before you e-mail or call us about an individual or group purchase (or how to access our online courses, assessments, and books once you've purchased them), please review our Frequently Asked Questions and Our Carefully Developed Answers. By your first reading our responses to these questions, you might save yourself (and us) a lot of time. But if our FAQs do not answer your questions, then please contact us at your earliest convenience.

Ralph Kilmann

For all questions about purchasing our online courses or assessment tools, including how to make the best use of these educational resources, please contact:

Ralph H. Kilmann, CEO and Senior Consultant 

Kilmann Diagnostics
One Suprema Drive
Newport Coast, CA 92657
For the quickest response:
Or Call Weekdays or Weekends
8 a.m. to 8 p.m. Pacific Time
Office: 949.497.8766
Mobile: 949.230.8449