One of Karl's professions is that of an art director and designer who has worked for companies such as NW Ayer Direct in New York, designing DM material for AT&T and other corporations; and North American Publishing, as a promotional art director for trade magazines. He has done recruitment advertising and and has worked in television as an art director and scenic designer. He is the owner of Kofoed Design, graphic design and digital photo restoration.

Karl's other profession is that of a science fiction illustrator. The Galactic Geographic Annual 3003, published by Paper Tiger books, and Karl's novels, Deep Ice and JOKO, are available on Amazon.com. He has illustrated S.P. Somtow's The Ultimate Mallworld and Mr. Bill in Space with Walter Williams and Jim Wilson, and has done many science fiction book covers and interior illustrations. His work has been seen in numerous gallery and museum shows.

NASA Art