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Contact UsNeed to get in touch with us? At Big Brothers Big Sisters of Siouxland, there’s always a way to get more information or your questions answered.

Big Brothers Big Sisters of Siouxland is located at 3650 Glen Oaks Blvd., in Sioux City, Iowa. Our office hours are Monday - Friday 8:00 a.m. - 4:00 p.m. If you have any questions or need to reach any of our staff members during the day, please call us at 712.239.9890. Our fax is 712.239.9895.

In the case of an emergency outside our office hours, please call 712.574.216. 

To reach our Plymouth County office by mail please send materials to 3650 Glen Oaks Blvd, Sioux City, IA  51104.  

All staff members' email address are listed below. General email inquiries can be directed to bbbs@bigbrothersbigsisters.com.

Staff Directory

Lori Twohig
Executive Director, Ext. 11



Tsistas Yang
Program Director, Ext. 10




Development Director, Ext. 20

Lori Emery
Office Coordinator, Ext. 19

Kallie Kilstrom
Mentoring Specialist, Ext. 16
(c) 712.333.6139       



Kristen Langel
Mentoring Specialist, Ext. 13
(c) 712.202.6732




Susie Hofman
Sioux County Mentor Coordinator
(c) 712.395.0181



Corrin Mikkelson
Match Support Specialist
(c) 712.577.4582 

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© 2010 - 13 Big Brothers Big Sisters of Siouxland, 3650 Glen Oaks Blvd., Sioux City, IA 51104