He attended Calvin College, then Kansas State University, where he earned a masters in Math Education and a Ph.D.. Kooiker taught math and physics at a school in Japan and also served in the United States Army during the Vietnam War.
He attended Calvin College, then Kansas State University. He earned a masters in Math Education at a school in Japan. He earned a masters in a Ph.D.. Kooiker taught math and physics at a school in Japan. He also served in the United States Army during the Vietnam War.