Prof. Lahad is an internationally recognized expert on community preparedness for disasters and on public behavior in and coping with disasters and psycho-trauma. He is the founder and president of the Community Stress Prevention Center (CSPC), an indepenent training, research, and therapy center, which has developed models and methods of intervention in mass disasters and other crises. He serves as a consultant to Israel's National Security Council, the Israel Defense Forces, and UNICEF. He served as a member of a NATO committee on psychosocial preparedness for disaters and as the director of an international initiative to help Sri Lanka following the Tsunami. He authored and co-authored 30 books and many articles on communities under stress, community unrest, and coping with life threatening situations. His latest book, co-authored with three others, is a 500-page textbook on disaster preparedness, intervention and recovery: When their world falls apart - Helping Families and children manage the effects of disasters.