• Manuel Barbosa -- retired judge
• Dale Berman -- North Aurora village president
• Gustavo Cuevas -- management consultant
• Donald DeWitte -- retiring St. Charles mayor
• Michael Donahue -- current Kane County Board member
• Nabi Fakroddin -- member of St. Charles Zoning Board of Appeals; former director of the Kane County Division of Transportation
• Gilbert Feliciano -- former manager of public outreach for the RTA
• Donald Glaze
• Frank Imhoff -- manager for official documentation, office of secretary, Evangelical Lutheran Church of America; former campaign communications director for state Sen. Mike Noland; active member of Elgin Township Democrats
• Mari Johnson
• William Keck -- former Kane County auditor
• Larry Keller -- retiring West Dundee village president
• Sue Klinkhamer -- former St. Charles mayor; recently a district director for Congressman Bill Foster; Democratic candidate who opposed Kane County Board Chairman Chris Lauzen in November election
• Bonnie Kunkel -- former Kane County Board member
• Michael McDonnell
• Gregory Meyers -- former member of the Aurora Township Central Committee
• Jim Mitchell -- former Kane County Board member
• Jay Moffat -- consultant at A T Cord & Co., Inc.; longtime member of the Geneva beautification committee; former O'Hare International Airport air traffic controller
• Bob Moga
• Jim Pilmer -- superintendent for property standards with city of Aurora; former senior development officer at Aurora University
• David Reece -- second vice chairman of the Kane County Democratic Party
• William Sarto -- former Carpentersville village president; former auditor in state comptroller's office; sought Democratic nomination in 2012 primary for Kane County Board chairman (lost to Klinkhamer)
• Bernard Thomas -- Pingree Grove village board member
• Thomas Van Cleave -- former Kane County Board member