MEET THE FACULTY
PASTOR ROBERT WILKE
INTERIM PASTOR
Pastor Robert Wilke lives with his wife, Donna. They have been blessed with 5 children and 15 grandchildren. He previously served a church in Fairmont, Minnesota for 5 years and then Columbus, Wisconsin for 35 years until my retirement in the summer of 2019.
After “retirement”, he served at St. John’s here in Wrightstown from September of 2019 until December of 2021 and then as vacancy pastor at Immanuel in the town of Clayton from June of 2022 until July of 2023. In the past year he has served off and on as
vacancy pastor at Immanuel in Sault Ste. Marie, MI for about 6 months.
His wife and he enjoy spending time with their family, traveling, camping, hiking and biking. He enjoys playing golf and pickleball as well as watching the Badgers and Packers play. He also likes putting jigsaw puzzles together. God has truly blessed him and he looks forward to serving the members of St. John once again.
TIMOTHY (TIM) RADDATZ
PRINCIPAL
SIXTH THROUGH EIGHTH GRADE TEACHER
Mr. Raddatz grew up in Kaukauna, WI. He graduated from Martin Luther College in 2004 with a Bachelor of Science Degree in Education and took up post-graduate studies through both Winona State University and St. Mary State University. Prior to joining St. John in 2014, Mr. Raddatz served as an upper grade teacher and administrator at St. John in Goodhue, MN, an upper grade teacher at HOPE Christian in Milwaukee, WI, and an upper grade teacher and administrator at JOY Academy in St. Paul, MN.
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Mr. Raddatz lives in Appleton with his wife, Abby, their daughter, Cecelia, their son, Owen, and their dog, Gus. He enjoys playing and officiating sports, camping, watching college football, reading, hosting and participating in community events, hunting, and spending time with his family.
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Mr. Raddatz shares, "It is truly an honor and privilege to serve families and their children, being able to teach them about the saving grace of Christ."
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NATALIE SCHULTZ
THIRD THROUGH FIFTH GRADE TEACHER
Mrs. Schultz graduated from Martin Luther College in 2025 with a Bachelor of Science Degree in Education. After graduating, she was assigned to serve at St. John.
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She grew up in Jackson, WI and is excited to live in Appleton with her husband, Luke. Luke serves at neighboring WELS grade school, St. Peter. In her free time, she enjoys going for walks, writing handwritten letters, reading, and spending time with her friends and family.


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Mrs. Schultz shares, “I can’t wait to begin my ministry at St. John and get to know the students and the congregation!”
REBECCA WICKS
FIRST AND SECOND GRADE TEACHER
Mrs. Wicks grew up in Neenah and Menasha, WI. She graduated from Martin Luther College in New Ulm, MN in 2005 with a Bachelor of Science Degree in Elementary Education with a Mathematics Concentration. After graduation, she spent several years as a teacher and assistant director in WELS early childhood centers. She joined St. John’s faculty in 2013, initially serving as the preschool and preK teacher before moving up grade levels as enrollment increased.
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Mrs. Wicks and her husband, Jason, live in Kaukauna. Together they have a son, Arlen, who keeps them busy attending wrestling matches and baseball and football games. Mrs. Wicks also enjoys biking, reading, and decorating cakes.
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Mrs. Wicks states, “I love teaching young children. They show eagerness for God’s Word and a simple but strong faith. They learn very quickly--they have a new skill, accomplishment, or piece of knowledge almost every day and are always excited to share their stories.”
McKENZEY CROWLEY
KINDERGARTEN TEACHER
Miss Crowley grew up in Rapid City, SD. Her parents are Aaron and Jen. Her dad owns his own construction company and her mom is the office administrator at the WELS church and school in Rapid City. She has a 19-year-old brother named Aadyn. She graduated from Martin Luther College in New Ulm, MN, in 2024 with a Bachelor of Science Degree in Elementary Education and Secondary Physical Education with a coaching emphasis. After graduating, she was assigned to St. John.
Miss Crowley enjoys being outdoors whether it be hiking, camping, etc. She enjoys watching all different types of sports, reading, board games, and spending time with family.
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Miss Crowley shares, “I am blessed to be serving at St. John. I am excited to teach Jesus’ little lambs and work with the congregation and families. I look forward to sharing God’s Word with my students and their families.”
ELISABET MATA PEREZ
EARLY CHILDHOOD CLASSROOM 2 TEACHER
MADELYN (MADIE) OTTO
EARLY CHILDHOOD CLASSROOM 1 TEACHER
Mrs. Otto grew up in Maribel, WI. She earned her bachelor's degree in Early Childhood Education with an Adaptive Education minor from Wisconsin Lutheran College in January of 2023. St. John serves as her first full-time teaching experience.
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Mrs. Otto lives in Wrightstown with her husband, Jonathan, their son, August, and their cat, Sugar. She enjoys hiking, spending time with family, camping, and watching baseball with Jon. She says, "I am so excited to begin this new adventure at St. John and to teach little lambs about Christ, sharing his love everyday through the fun in Preschool!"
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When she thinks about teaching these little lambs, the Bible passage that comes to mind for her is 3rd John 1:4, "I have no greater joy than to hear that my children are walking in the truth."
ALEXIS SCHMIDT
STUDENT SERVICES COORDINATOR
Hi everyone! I’m so excited to get started at St. Johns as the Student Services Coordinator. My name is Alexis Schmidt, and I’m from the Wrightstown community. I graduated from Wrightstown High School and actually attended St. Johns myself through 4th grade.
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I went on to attend the University of Wisconsin–La Crosse, where I earned my bachelor’s degree in Sociology and Psychology. In my free time, I enjoy spending time with family and friends. I also love camping, fishing, boating, and just about anything outdoors!