Gillespie resigning Senate seat to head insurance department Tim Stumm 8 months ago Gov. JB Pritzker tapped Sen. Ann Gillespie, D-Arlington Heights, to lead his insurance department. She’s replacing Dana Popish Severinghaus, whose last day is April 15.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.