John Koestner
John Koestner
Head Boys Golf Coach
John Koestner joined the Geneva upper school coaching staff in the fall of 2022 as the head boys golf coach. He is the owner and operator of Roving Golf Academy, which provides indoor, outdoor, and mobile golf instruction using cutting edge technology and simulation.
Coach Koestner has provided more than 27,000 golf lessons over the course of his career. In addition to giving hands-on group and one-on-one lessons, he also has experience coaching varsity athletes and teaching the non-physical aspects of the game of golf in a classroom setting, including course management, the mental game, pre-shot routines, and competition preparation. John is a Callaway Club Fitter and certified in golf fitness through Titleist Performance Institute.
He has been a part of the Geneva community since 2015, when his twin daughters (Eliana and Sabrina) started kindergarten. His wife, Karen, currently works as a first grade teachers’ aide. John has also been instrumental in coaching Geneva’s instructional youth sports golf program since 2019.
