Mark Ishaug Headshot
Mark Ishaug
  • CEO
  • Thresholds

Mark Ishaug has dedicated his career to advocating for the rights of stigmatized and vulnerable people. As the CEO of Thresholds, Mark has overseen explosive growth, but also a culture shift that embraces change, innovation, transparency, and yes – love. Thresholds has been recognized for seven consecutive years as a Chicago Tribune Top Workplace and a Chicago’s 101 Best and Brightest Companies to Work For. Prior to Thresholds, Mark worked as a leader in the fight against HIV/AIDS as CEO of the AIDS Foundation of Chicago. Mark holds a master’s degree in political science from Northwestern University and a bachelor’s degree in government and international studies from the University of Notre Dame.


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