I have been teaching high school physics for 38 years, and have been using modeling since 1995 when I took my first modeling workshop at the University of Illinois Chicago, under the direction of Gregg Swackhamer. That workshop dramatically changed the way I taught physics. I have incorporated the modeling methodology ever since in my physics classes, both at the high school and the university level. I co-led my first modeling workshop with Lou Turner at the University of Akron in 1997, and have now led or co-led 20 workshops in physics mechanics and physics E&M. Many of those workshops were district workshops held at Wheaton Warrenville South High School, in Wheaton, Illinois, where I teach. Our efforts have expanded so that now, all 17 of our science department members have taken at least one modeling workshop. With the help of my colleagues at WWS, in 2013, we established the Midwest Modeling Institute which is devoted to training biology, chemistry and physics teachers in the modeling methodology, and we have already trained more than 200 secondary science teachers in our summer workshops.