Professor Ehtamo is well known for his work on optimization, dynamic game theory and negotiation analysis. Ehtamo is an author of about 70 publications and conference papers on these fields. As a university teacher he has an expertise of over 20 years and has taught various courses in operations research and mathematical modeling. He has been an active member of the International Society of Dynamic Games, editing eg. the Electronic Newsletter during 1990-2006. Publications in Google Scholar.