Plenary Session Date Location U.S. Chairman Japan Chairman
CULCON I January 25-31, 1962 Tokyo Dr. Hugh Borton, President, Haverford College Mr. Tatsuo Morito, President, Hiroshima University
CULCON II October 16-22, 1963 Washington, DC Dr. Hugh Borton, President, Haverford College Mr. Tatsuo Morito, President, The Japan Scholarship Foundation
CULCON III March 2-7, 1966 Tokyo Dr. Hugh Borton, President, Haverford College Mr. Tatsuo Morito, Chair, Central Council for Education
CULCON IV April 3-8, 1968 Washington, DC Dr. John Hall,  Department of History, Yale University Mr. Tatsuo Morito, President, The Japan Scholarship Foundation
CULCON V March 18-23, 1970 Tokyo Mr. Donald Shively, Harvard University Mr. Tatsuo Morito, President, The Japan Scholarship Foundation
CULCON VI June 21-24, 1972 Washington, DC and New York  Dr. John Hall, Chairman, Department of History, Yale University Mr. Yoshinori Maeda , President, NHK (Japan Broadcasting Corp.)
CULCON VII June 17-20, 1974 Tokyo Dr. John Hall, Chairman, Department of History, Yale University Mr. Yoshinori Maeda , Honorary Advisor, NHK (Japan Broadcasting Corp.)
CULCON VIII May 26-28, 1976 Washington, DC Dr. John Hall, Chairman, Department of History, Yale University Mr. Yoshinori Maeda , Honorary Advisor, NHK (Japan Broadcasting Corp.)
CULCON IX July 26-28, 1978 Tokyo Dr. John Hall, Chairman, Department of History, Yale University Mr. Yoshinori Maeda , Adviser to the Ministry of Foreign Affairs
CULCON X May 28-30, 1980 Washington, DC Dr. John Hall, Chairman, Department of History, Yale University Mr. Yoshinori Maeda , Adviser to the Ministry of Foreign Affairs
CULCON XI June 23-25, 1982 Tokyo Dr. Robert Ward, Stanford University Mr. Yoshinori Maeda , Adviser to the Ministry of Foreign Affairs
CULCON XII July 10-11, 1984 Washington, DC Dr. Glenn Campbell, Director, Hoover Institution, Stanford University Mr. Isao Masamune, Advisor to the Board, The Industrial Bank of Japan
CULCON XIII July 29-31, 1986 Tokyo (Acting Chairman) Mr.Garret N. Scalera, President, Tokyo Institute of Policy Studies

*Dr. Cambell was unable to attend

Mr. Isao Masamune, Advisor to the Board, The Industrial Bank of Japan
CULCON XIV October 26-28, 1988 Washington, DC Dr. Glenn Campbell, Director, Hoover Institution, Stanford University Mr. Isao Masamune, Advisor to the Board, The Industrial Bank of Japan
CULCON XV March 13-14, 1991 Tokyo Dr. John Makin, Director of Fiscal Policy Studies, American Enterprise Institute Mr. Shoichi Saba, Adviser to the Board, Toshiba Corp.
CULCON XVI April 29-30, 1993 Washington, DC Dr. Kenneth Pyle, Professor of History and East Asian Studies, The Henry M. Jackson School of International Studies, University of Washington Mr. Shoichi Saba, Adviser to the Board, Toshiba Corp.
CULCON XVII January 19-20, 1995 Tokyo Dr. Kenneth Pyle, Professor of History and East Asian Studies, The Henry M. Jackson School of International Studies, University of Washington Mr. Shoichi Saba, Adviser to the Board, Toshiba Corp.
CULCON XVIII May 8-9, 1997 Washington, DC Dr. Richard J. Wood, Dean, Yale Divinity School Mr. Shoichi Saba, Adviser to the Board, Toshiba Corp.
CULCON XIX February 18-19, 1999 Okinawa, Japan Dr. Richard J. Wood, Dean, Yale Divinity School Prof. Nagayo Homma, Chancellor, Seijo Gakuen Schools and University
CULCON XX May 10-11, 2001 Los Angeles, California Dr. Richard J. Wood, Dean, Yale Divinity School Prof. Nagayo Homma, Chancellor, Seijo Gakuen Schools and University
CULCON XXI November 20-21 2003 Sendai, Japan (Acting Chairman)
Dr. Amy V. Heinrich, Director, C.V. Starr East Asian Library, Columbia University*Dr. Richard Samuels,   was unable to attend plenary session
Dr. Sumiko Iwao, Professor, Musashi Institute of Technology
CULCON XXII July 24-26, 2006 Big Sky, Montana Dr. Richard Samuels, Ford International Professor of Political Science, MIT Dr. Sumiko Iwao, Professor Emeritus, Keio University
CULCON XXIII June 12-13, 2008 Tokyo Mr. Thierry Porté, President and CEO, Shinsei Bank, Limited Mr. Minoru Makihara, Senior Corporate Advisor and Former Chairman Mitsubishi Corporation
CULCON XXIV June 10-11, 2010 Washington, DC Mr. Thierry Porté, Operating Partner, J.C. Flowers and Co., LLC Mr. Minoru Makihara, Senior Corporate Advisor and Former Chairman Mitsubishi Corporation
CULCON XXV April 10, 2012 Tokyo Mr. Thierry Porté, Managing Director, J. C. Flowers and Co., LLC Mr. Minoru Makihara, Senior Corporate Advisor and Former Chairman Mitsubishi Corporation
CULCON XXVI November 18, 2014 Washington, DC Mr. Harry Hill President and CEO, Oak Lawn Marketing, Inc. Mr. Minoru Makihara, Senior Corporate Advisor and Former Chairman Mitsubishi Corporation