150 Years
Ice Hockey MM
Princeton M. Lacrosse BIO

At Georgetown Prep

Lettered four times in lacrosse and three times in football ... lacrosse team won three league championships ... All-America senior year ... all-state ... All-Met selection by the Washington Post ... Under Armour All-America ... team MVP ... all-conference in football ... team captain in football and lacrosse ... National Honor Society.


Born Nov. 6, 1991 ... son of Robert and Mary Sue Posniewski ... father is a gradute of James Madison, where he played football ... mother is a Maryland grad ... father is chief financial officer at Georgetown Prep; mother is a secretary at Mater Dei School ... younger brother Sam is a high school junior who plays soccer and lacrosse ... younger brother Luke is a high school freshman who plays football and lacrosse and wrestles .. sister Kara is in middle school and plays soccer, basketball and lacrosse ... uncle Kevin Haley is a 1991 Princeton grad who was a decathlete on the track team ..