Karl Geis (1933 – April 7, 2014) was an American judo, aikido, and jodo instructor.
[2] Karl Geis is a member of the Black Belt Magazine Hall of Fame,[3] and the founder of Fugakukai International Association.
Geis along with George Harris, Robey Reed, Philip S. Porter, and a few others were the founders of the United States Judo Association.
[10] He would be the subject of multiple independent articles including one concerning his use of psychology in Judo in black belt magazine.
Geis lists as primary influences, his Japanese aikido, judo, and jodo instructors; Kenji Tomiki, Tsunako Miyake, Yoshimi Osawa, Sumiyuki Kotani, Toshiro Daigo, Kazuo Kudo, and Tatsukuma Ushijima.