Kjell N. Lindgren

Kjell Norwood Lindgren is an American astronaut, born on 23 January 1973 in Taipei, Taiwan. A physician, he worked as a University of Texas Medical Branch-Wyle flight surgeon for NASA's Space Shuttle, International Space Station and Constellation programs. His education includes a bachelor of science in biology with a minor in Mandarin Chinese from the United States Air Force Academy, a master of science in cardiovascular physiology from Colorado State University in 1996, a medical degree from the University of Colorado School of Medicine in 2002, a master of health informatics from the University of Minnesota in 2006 and a master of public health from the University of Texas Medical Branch in 2007. NASA selected him on 29 June 2009 in its twentieth astronaut group. He flew as flight engineer on Soyuz TMA-17M from 22 July to 11 December 2015 (141 days), and as commander and flight engineer on SpaceX Crew-4 from 27 April to 14 October 2022 (170 days), for 312 days in space in total.