sentences:  Van Agt retired after spending 24 years in national politics and became active in the public sector and occupied numerous seats as a nonprofit director on several boards of directors and supervisory boards (InterAction Council, Green Cross International and the Edmund Burke Foundation) and as an advocate, lobbyist and activist for anti-war movement, human rights and the two-state solution for the Israeli–Palestinian conflict.Van Agt also served as a distinguished visiting professor of International relations, Peace and conflict studies and Governmental studies at the United Nations University in Shibuya, Japan, the Kwansei Gakuin University in Nishinomiya, Japan, as well as Kyoto University and Ritsumeikan University in Kyoto, Japan from February 1996 until May 2004.Van Agt is known for his abilities as a negotiator and debater.