Jon Posner

Since taking over as the head coach at The Lawrenceville School in 2020, Posner has turned the program into a national power, including consecutive No. 1 finishes in the USA Lacrosse National Boys’ rankings in 2023 and 2024. Prior to that, he built the Culver Academy program in Indiana into one of the nation’s best, including three No. 1 national rankings. He has a career coaching record of 344-64 entering the 2025 season and more than 150 of his players have gone on to play college lacrosse. Posner is a 1997 graduate of Scranton, where he played lacrosse.