Kohsuke Kawaguchi (Japanese: 川口 耕介, Hepburn: Kawaguchi Kōsuke, born 1977)[1] is a computer programmer who is best known as the creator of the Jenkins software project.[2] While working at Sun Microsystems, he was the primary developer of the Hudson project.[3] He is also the recipient of the 2011 O'Reilly Open Source Award for his work on the Jenkins project.[4]