Dr. Greathouse received his BA and MA in political science from the University of Akron. His doctorate in political science was awarded from the Claremont Graduate University in California. His areas of specialization include international relations with a focus on security and defense policy and comparative politics with a regional emphasis on Western Europe. His dissertation entitled "Integration and Cooperation: Application to the European Union" focused on the development of European integration with a particular emphasis on the creation of the security and defense component of the European Union. He has presented numerous papers at national conferences on topics such as; American and European strategic culture, European security and defense policy, American and European grand strategy, European federalism, and European integration. He is a member of the control staff for the National Security Decision Making Game which runs simulations of the international system for groups as diverse as the National Defense University, academic institutions, and the general public.