At Princeton - plays man-down defense
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 ..