Joseph Herrington is a physics and principles of engineering teacher at John D. O'Bryant School of Mathematics & Science, Boston, MA. B.A. (Physics) Northeastern University. In addition to his teaching duties, Mr. Herrington develops new curricula in modeling and simulation and simulation-based science and engineering. He has presented at the 2011 NSTA Conference in San Francisco where he spoke on the importance of modeling and simulation (MODSIM) in the classroom and of his experiences as a participant in NASA's Simulation-Based Aerospace Engineering Teacher Professional Development Program. He has also co-presented a one-week workshop focusing on MODSIM to a group of teachers from the Kingsville School District in Kingsville, TX.