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

Member Experience Strategist
Kaylee Abert
Engage@ofallonchamber.com

Leadership & Development Coordinator
Jessica Lotz
Events@ofallonchamber.com

Phone & Hours

Office : (618) 632-3377

Monday to Friday
8:00am – 4:00pm

Saturday & Sunday
Closed

chamber office location

Office Address
116 East First Street
O’Fallon, Illinois 62269

Mailing Address
P.O. Box 371
O’Fallon, Illinois 62269