Mark Treacy joined Northwestern's ticket office as an account executive in April 2013 after working as a ticket sales representative for the DePaul University Athletic Department and an account executive for the Loyola (Chicago) Athletic Department.

A 2011 graduate of DePaul University's Driehaus College of Business, Treacy earned two degrees in marketing (sales leadership) and business administration. His current duties at Northwestern primarily involve selling season tickets, providing support and customer service to current season ticket holders, and increasing group ticket sales for football and men's basketball.

A native of Shawnee, Kan., Treacy was a long-suffering Kansas City Royals baseball fan.