Carl Markon, now retired, worked for USGS as a contractor (remote sensing specialist) and federal employee for more than thirty years. His last position was Deputy Regional Director, Alaska Region, USGS. Markon worked on Arctic Council, CAFF Circumpolar Arctic Vegetation Map, and GIS. He is the lead author for the 2018 National Climate Assessment, Alaska Region. He also served as a Member of the North Pacific Research Board.