Cook County Board President Toni Preckwinkle. (Photo SUPPLIED) Local LEED Gold Certification for Cook County’s Dunne Administration Building by Press on April 20, 2017 Press Author More in Local: Park Forest’s Sandra Zoellner Retires After 21 Years of Service June 17, 2026 Save the date for The Prairie Party at theNate June 17, 2026 Governors State Has New Soccer Complex and New Men’s Coach June 17, 2026 Cook County Board President Toni Preckwinkle. (Photo SUPPLIED)