After he graduated from Faculty of Agricultural Technology in 1991, Joko established PT Tiga Pilar Sejahtera Food Tbk. (AISA) in 1992. He becomes President Director in it and in 2003, he got promoted as Director of PT Tiga Pilar Sejahtera Food, Tbk. (TPSF). His commitment to processed food has made him awarded as Alumni Awards 2015 in Entrepreneurship.