Bachelor, Yale University, 1978. Master of Business Administration, Harvard University, 1982.
Investigative reporter Anchorage Times, 1978—1982. Vice president, treasurer, co-founder Yukon Pacific Corporation, 1982—1989. Director Exxon Valdez Spill City of Cordova.
Deputy commissioner department environmental conservation State of Alaska. Chairman Immersive Media Corporation. Vice president Commonwealth North.
Chair, Chief Executive Officer Venture Ad Astra. Co-founder Digimarc; appointed to United States Arctic Research Communications, 2001, chair, 2006—2010. Lieutenant governor State of Alaska, since 2010.
Adjunct professor business Institute of the North, managing director, senior fellow. Delegate Republican National Convention. Chair Fifth North Pacific Fisheries Conference, 1999.
Co-founder, Siberia Alaska Gateway Project Alaska Chamber of Commerce. Co-founder Regional Citizens Advisory Council, Cook Inlet, Prince William Sound. President Visual Arts Center Alaska.
Co-founder Sea Train program. Board member Alaska Science and Technology Foundation, 1994—1999. Co-founder International Polar Year, 2007—2009.
President Alaska World Affairs Council. Board member, Great Alaska Council Boy Scouts America. Board member, founder Prince William Sound Science Center.
Member of Backbone, Japan America Society Alaska (president), Rotary Club, Explorers Club (national fellow 2002, chair, North Pacific Alaska Chapter).
Married Carol Treadwell (deceased 2002). Children: Timothy, William, Natalie.