• Leadership Team

  •  Cathleen Craviotto  

  • High School Teacher, Boulder Valley School District
  •  Delia Haefeli  

  • 6th Grade Teacher, Weld Schools
  •  Gulden Karakok  

  • Math Education Faculty, University of Northern Colorado
  •  Katie Morrison  

  • Math Faculty, University of Northern Colorado
  • Emeritus Leadership Team Members

     Bonnie Funk  

  • Retired Weld Schools Teacher
  •  Julie Samsel  

  • Retired Weld Schools Teacher
  • Our Sponsors


The Northern Colorado Math Circles provides Math Circle sessions for both middle school Math teachers and middle school students (4th-8th graders). We also provide summer workshops for students and teachers. For more information check Student Circle and Teacher Circle webpages.


Next Student Circle evening session is on Monday, April 18th in Ross 2090. Please RSVP to Delia Haefeli or Gulden Karakok.

Next Teacher Circle evening session is on Monday April 18th in Ross 2060.Please RSVP to Gulden Karakok.

NEW! SUMMER CAMP for STUDENTS. We will have our first 3-day summer camp on UNC campus on May 31st, Tuesday to June 2nd, Thursday, each day 8:30 am-3:30 pm for local 4th-8th grade students. Participating students will attend all three days to solve fun math problems and play math games. Application submission date is Monday, April 25th. For more information and application form please check Student Circle webpage.


Want to Make Donation to Northern Colorado Math Circles?

We appreciate any donation you can make to the Northern Colorado Math Circles (Teachers & Students). CLICK HERE to make donation to our Circles (Fund # 9434).

Donations made to our program-the Northern Colorado Math Circles, are administered by the UNC Foundation office. The UNC Foundation is a registered 501(c)(3) charitable organization. All gifts to the Foundation are tax deductible to the full extent of the law. You should consult with your tax attorney/advisor concerning the deductibility of your gift.