Faculty & Staff

Principal Daniel Busch | Grades 7-8, Principal email Dan


Sophia Dorn | Grades 5-6, Athletic Director email Sophia

Her name is Sophia Birner, but  she usually go by Sophie. she was born and raised in Lusaka, Zambia where her parents have been missionaries for the last 30 years. She is the 3rd of 4 children consisting of  2 older brothers, Ben and Zach, and a little sister, Peggy. While in Zambia she attended the American International School of Lusaka until the age of 14 when she left home to go to Luther Preparatory School in Watertown, Wisconsin for high school. she then attended Martin Luther College with a double major in elementary education and secondary chemistry. While at MLC she was part of the tennis, golf, and soccer teams. Over the years, she has also enjoyed many other hobbies such as swimming, art, and most other outdoor activities. This July, she is very blessed to be marrying her fiance, Eric Dorn, who is a religion teacher at Lakeside Lutheran Highschool and also the son of Mary Dorn, your previous Kindergarten teacher. Now, she is also looking forward to teaching at St. John. She is excited to be part of a faculty that gets to spread the joy of salvation to their students on a daily basis as well as a congregation that has already been so welcoming and supportive!


Mr. Allan Boeder | Grades 3-4, Technology email Allan

Allan L. Boeder was born quite a ways from the frozen tundra that is Wisconsin.  Originally from Key West, FL, he has lived in Wisconsin for nearly all of his life.  He grew up in Manitowoc, WI. where he attended Bethany Evangelical Lutheran School from grades K-8.  He graduated from Manitowoc Lutheran High School in 2013. While at MLHS he decided to enroll in Martin Luther College.  He student taught at St. Mark, Watertown, 20 min. from here. He graduated from MLC in 2017. He received his first assignment for the 2018-2019 school year to emergency teach at St. Mark, Green Bay in the fifth grade classroom.  By the end of the school year he had taught nearly all 5th grade subjects, 4th grade English, 6th grade Math, and some Special Education when needed. In May of 2019 he received his permanent assignment at St. John, Waterloo.

For I am not ashamed of the gospel, because it is the power of God that brings salvation to everyone who believes: first to the Jew, then to the Gentile.” Romans 1:16

Miss Tara Winecke  |  1-2, Music email Tara

Tara was born in St. Paul, Minnesota but spent most of her childhood in Iowa. She wanted to teach His little lambs from a very young age, assisting with Sunday School and various Vacation Bible Schools at church.
Tara attended Martin Luther College in 2015 and graduated this past May. While at MLC, Tara participated in many musical ensembles. In fact, she graduated with two majors (Elementary Education and Secondary Instrumental Music Education). She is excited to start her ministry at St. John and cannot wait to see how God uses her to spread His Word!

Matthew 18:20: For where two or three gather in my name, there I am with you.

Mrs. Erin Krebs  |  Kindergarten email Erin

Mrs. Kerri Esmay | 3K/4K Director & Teacher email Kerri

Kerri’s love for early childhood began many years ago in Ft. Worth, Texas.  Since then she has homeschooled her two children, started a preschool for ages 2-5 in Louisiana, and been director at centers in Manhattan and Topeka, Kansas.  She is very thankful for the opportunities and experiences the Lord has brought her through.  Her ministry has been blessed as she’s gone through NAEYC accreditation, taken a course on Conscious Discipline, and attended multiple training hours on best practice in early childhood education.  She loves the honesty and boldness 3 and 4 year olds exhibit.  She loves hearing them sing praises to Jesus all day long.  Her favorite part of the day is Bible Time.  Oh to have the faith of a child.  She thanks the Lord for the opportunity to spend her days with wee ones and teach them about the One who is our everything, Jesus!!  She is married to Pastor Esmay, one of the shepherds at St. John.  The Lord has entrusted them with two of his precious lambs, Hannah and Drew, who attend Luther Prep.  Her hobbies include golfing, scrapbooking, Jazzercise, playing organ, and watching her children do what they love to do! 

“So do not fear, for I am with you; do not be dismayed, for I am your God.  I will strengthen you and help you; I will uphold you with my righteous right hand.”  Isaiah 41:10

Mrs. Emily Brusenbach | 3K/4K Teacher email Emily  

Emily grew up in Oconomowoc WI, where she attended St Matthew’s Lutheran School. She then attended Luther Prep in Watertown. In 2018 she graduated from California Baptist University with a degree in Early Childhood Education and a concentration in Human Development. Since graduating in 2018, Emily worked at St Matthew’s in Oconomowoc as a lead in a 2 year old and 3 year old room, and recently was a full-time aide in a 5K classroom, before accepting the call to teach 3/4 K here in Waterloo. Emily is married to Hunter. Hunter currently works at Clasen Quality Chocolate in Watertown. 

And we know that in all things God works for the good of those who love him, who have been called according to His purpose. Romans 8:28

Lacey Behm | 3K/4K Teacher Assistant

Lacey grew up in Lake Mills, WI. She has worked in childcare for six years and is also blessed to be a mother of three. She is very thankful to be teacher assistant at St. John. Her favorite part is watching the children learn, grow, and listening to them talk about Jesus.


“Have I not commanded you? Be strong and courageous. Do not be terrified; do not be discouraged, for the Lord your God will be with you wherever you go.” Joshua 1:9


Tammy Musser | Administrative Assistant email Office

Tammy graduated from Superior Senior High School in 1979 and the Account Clerk program at WITI in 1981. She married Paul Musser in June, 1983 and they were blessed with two children.  They moved to the Waterloo area in 2001 so their children could attend a WELS parochial school and attend high school at Lakeside Lutheran.  She has been working at St. John since March of 2003.


“For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life.”

 John 3:16


Whitney Baumann | Administrative Assistant email Office

Whitney was born in New London, WI attending Bethlehem Lutheran School (K-8) in Hortonville, WI and Fox Valley Lutheran High School in Appleton, WI. She spent most of her adult life in the Marshall and Sun Prairie area. She currently resides in Sun Prairie with husband, 4-year-old son, and her friendly pit-bull. Her background has been in the retail and fitness industry. You may have seen her around at Snap Fitness and Kwik Trip. She is thankful for this opportunity to serve at St. John Church and School and is excited to get to know everyone. Her hobbies include traveling, playing cards, running and dancing.


“In his heart a man plans his course, but the Lord determines his steps.” Proverbs 16:9



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