Dennis Creehan is widely considered as one of the most knowledgeable coaches in the game on the Wing-T offense. He has written several books on the Wing-T and has been featured on more than a dozen well-received instructional videos on his popular offensive system. Currently, he serves as the defensive coordinator for the Calgary Stampeders of the Canadian Football League, a position he assumed in 2004. One of the most respected coaches in the game, he has more than three decades of coaching experience, including successful stints at the high school, collegiate, and professional levels. A Hall of Fame member at both Bethel Park (PA) High School and Edinboro University, Creehan earned master’s degrees from both Duquesne University in 1973 and Pittsburgh in 1977. He and his wife, Linda, have two sons: Kevin, a professor at Virginia Tech University, and Casey, an assistant football coach at James Madison University.