Barb Koch
Administrative Principal, 3rd-4th Grade Teacher
Mrs. Koch has a daughter, who is a fourth-grade teacher, and a son, who is a custodian. She loves reading and crafting, when she has time. She has been teaching at GSLA since 1992.
Bachelor of Science in Education, Dr. Martin Luther College, 1980
“For it is by grace you have been saved, through faith—and this is not from yourselves, it is the gift of God—not by works, so that no one can boast.”
Kindergarten Teacher
Mrs. Bergemann has been married to Pastor Jon Bergemann for 15 years, and they have two children. Prior to GSLA, they lived in Northern Virginia, just south of Washington, D.C., for 15 years. Mrs. Bergemann has been teaching at GSLA since 2020.
Bachelor of Arts in Education, Martin Luther College
“Be still and know that I am God.”
Celia Fulton
Kindergarten, 1st & 2nd Grade Teacher
Celia Fulton enjoys. She has been teaching at GSLA since 2023.
Associate of Arts,
Bachelor of Science in Education, Dr. Martin Luther College,
“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.”
Elise Rosenbaum
5th-6th Grade Teacher & Athletic Director
Ms. Rosenbaum is the second oldest of eight children, and her family lives just around the corner in St. Joseph, Mich. She enjoys running, reading, crafting, traveling, baking, and spending time with family and friends. She has been teaching at GSLA since 2019.
Bachelor of Science in Education, Martin Luther College, 2018
“Those who hope in the Lord will renew their strength. They will soar on wings like eagles; they will run and not grow weary, they will walk and not be faint.”
7-8 Math, K-8 Technology Teacher, & Substitute Teacher
Mrs. Stiglitz enjoys reading, sewing, baking desserts, and fashion. She and her husband, Mike, have three children. She has been teaching at GSLA since 2019.
Bachelor of Arts in Education, Monmouth College, 2003
Masters in Curriculum and Instruction, Concordia University, 2008
“Cast all your anxiety on him because he cares for you.”
Pastor Jon Bergemann
Campus Pastor
Pastor Bergemann enjoys visiting the great museums of Chicago, cooking with his wife, Amanda, and fishing with friends and family. He has been at GSLA since 2020.
Bachelor of Fine Arts, Martin Luther College, 1999
Master of Divinity, Wisconsin Lutheran Seminary, 2003
“Do not fear, O Zion; do not let your hands hang limp. The LORD your God is with you, he is mighty to save. He will take great delight in you, he will quiet you with his love, he will rejoice over you with singing.”
