State vice president Hawaii Junior Chamber of Commerce, 1964-1965. Director, legal counsel St. Louis Heights Community Association, 1963, 65, 73, 91—. Director, legal counsel Citizens Study Club for Naturalization of Citizens, 1963-1968.
Advisory board Project Dana Honolulu, since 1991, vice chair, 1991, 92. Board directors Omote Senke Foundation, since 1999. Life member Reserve Officers Association United States Served to 1st lieutenant Army of the United States, 1951-1954.
Member American Bar Association, Hawaii Bar Association, United States Patent Office Society, Hawaii Estate Planning Council, Waikiki Rotary Club (president, 2005-2006), Central Young Men’s Christian Association Club, Waikiki Athletic Club, Army Golf Association, Elks, Phi Delta Phi.