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About Us

Teachers On Call has been making a difference in schools and centers since 1999. We provide substitute education professionals to over 70 school districts in Minnesota and Wisconsin, as well as over 150 charter schools and early child care centers in the Twin Cities metro area.  We partner with Frontline Technologies to deliver the power of Aesop with the substitute staffing solutions of Teachers On Call. We use our knowledge and expertise to connect qualified substitutes with the schools that need them, and we provide ongoing and personalized support for all parties.

Substitutes Any Time was formed as a division of Teachers On Call in 2014, to offer substitute staffing solutions in Arizona. The successful model that has been serving Teachers On Call’s schools for so many years, will now make that same difference in Arizona schools.


Mission Statement: Teachers On Call is dedicated to providing excellent customer service and finding quality substitutes in a timely manner who will be an asset to our schools or centers, to ensure the educational needs of students are being met.


Meet our Staff


Minnesota Staffing Team:

  • Caitlin Clark – MN Staffing Director
  • Abby Strack – MN Assistant Director
  • Hannah Nowariak - Client Services Specialist
  • Selena Dawson
  • Derek Larsen
  • Natalie Lanners
  • Briana Joyner
  • Cynthia Mills
  • Nicole Berrien
  • Maya Burnaugh

Wisconsin Staffing Team:

  • Brittany Bybee – WI Staffing Director
  • Leah Sierer – WI Assistant Director
  • Megan Jurek - Client Services Specialist
  • Stephanie Rigdon - Client Services Specialist 
  • Leslie Egner
  • Lucy Bernard
  • Jason Semmelink
  • Rebecca Roider
  • Sarah Langdon

Early Child Care Staffing Team:

  • Minny Kouanechao – ECC Director
  • Crystal Saari - ECC Assistant Director
  • Kristin Weiss

Charter School Staffing Team:

  • Samantha Broders - Assistant Director of Charter Schools
  • Sam Blackhall

Administrative Team:

  • Laura Elder
  • Charlese Frizzel

Recruiting Team:

  • Jennifer Trongard - Recruiting Manager
  • Kellie Amos

Management Team:

  • Kim Howard – President/CEO
  • Luanna Hacker – Vice President
  • Lesley Hacker – Director of Business Development
  • Kacey Wyttenhove – Director of Operations & Client Services
  • Angel Graves – Staffing & HR Generalist

Accounting and Payroll Team:

  • Carol Meagher – Accounting & Finance Manager
  • Paulette Okerstrom – Payroll Supervisor
  • Courtney Okerstrom
  • WIlliam VanHoose
  • Dyana Okerstrom
  • Denise Wilson