Lecturer oceanography, biology Kauai Community College. Marine advisor Sea Grant Program, University Hawaii. Delegate Hawaii Constitutional Convention, 1978.
Chairman Kauai County Council, 1979—1981. Executive assistant to mayor City and County of Honolulu, 1984—1986, deputy managing director of Honolulu, 1986-1994, managing director, 1986—1994, acting mayor, 1994, mayor, 1994—2004. Founder, chair Mayors' Asia-Pacific Environmental Summit, 1999.
Established Pacific Islands Environmental Symposium, China-United States Conference of Mayors and Business Leaders, Asia-Pacific Urban Technology Institute.
American-National chair Japan-American Conference of Mayors and Chamber of Commerce Presidents, since 1996. Member of American Planning Association (Distinguished Leadership award 2002), International Downtown Association (Merit award), American Society Public Administration (Public Administrator of Year 1993, 1994), American Institute Architects (honorary).