Staff

Thomas Triller

Mr. Triller is the German teacher at STEM. Before coming to Fond du Lac, he spent most of his twenty-five-year career teaching internationally, in five… Read More

Christine Sesing

Mrs. Sesing is our school nurse and has been with STEM since 2014. Her experiences in the healthcare field are vast and she loves being… Read More

Luke Cofax

Mr. Cofax is our High School Math teacher and joined the STEM team in the Fall of 2022. Read More

Linda Radtke

Señora Radtke is our STEM Spanish teacher.  She started the World Language program and has been teaching at STEM for 3 years part-time.  This year… Read More

Allan VanEgtern

Mr. VanEgetern is our evening custodian and has been with STEM since 2012. He was born and raised in Fond du Lac and enjoys working… Read More

Bill Zimmerman

Mr. Zimmerman is our head custodian and has worked in the Fond du Lac School District since 2008. Formerly a custodian at Woodworth, he has… Read More

Adam Grassnickle

Mr. Grassnickle is the social studies teacher for our high school students. He is a fourth year teacher and this is his second year at… Read More

Jenny Finerty

Mrs. Finerty is our High School English teacher. She’s been with STEM since 2019 and lives in New London with her husband and three children. Read More

Killian Edwards

Miss Edwards is our middle school cross-categorical teacher and case manager. Growing up in the Fond du Lac area, Miss Edwards has been with the… Read More

Todd Hayes

Mr. Hayes is a lifelong Fond du Lac-area resident – grew up on a farm in the Lomira school district, and lived in Lomira and… Read More