«Crisis Intervention & Recovery: The Roles of School-Based Mental Health Professionals», March, 28-29, 2009, Athens.

• Prof. Stephen Brock, Associate Professor at California State University, Sacramento & M., Reeves, Ph.D., Winthrop University, South Carolina, USA.

«The impact of disaster on the community and on schools: An interdisciplinary approach», June,1, 2008, Athens.

• Prof. Mooli Lahad

 «Crisis Prevention, Preparedness, Intervention & Recovery: The Prepare Model of School Crisis Response», April, 5-6, 2008, Athens.

• Prof. Stephen Brock, California State University, Sacramento & Prof. Shane Jimerson, Department of Counseling, Clinical, and School Psychology at the University of California, Santa Barbara.

International Symposium: "Crisis management: Prevention and intervention in the community", April, 4, 2008, Athens.

•  Prof. Shane Jimerson, Department of Counseling, Clinical, and School Psychology at the University of California, Santa Barbara & Prof. Stephen Brock, California State University, Sacramento.