Email our team
President/CEO
Debbie Arell-Martinez
Director@OFallonChamber.com
Operations Manager
Doris Obernuefemann
Chamber@OFallonChamber.com
Marketing & Communications Manager
Jonathan Simmons
Communications@OFallonChamber.com
Membership Coordinator
Johnnie Hodges
Membership@OFallonChamber.com
Leadership & Development Coordinator
Jessica Lotz
Events@OFallonChamber.com
Phone & Hours
chamber office location
Office Address
116 East First Street
O’Fallon, Illinois 62269
Mailing Address
P.O. Box 371
O’Fallon, Illinois 62269