Administration
Principal
Mr. John Gustafson earned his Bachelor degree in Kinesiology from the University of Illinois at Chicago. He continued his education and received a Master’s Degree in Educational Leadership from Aurora University in 2006.
Mr. Gustafson has been in education for over 27 years, all of them in Keeneyville District 20. He began his career in 1996 as the physical education teacher at Greenbrook School. He coached boys’ basketball at Spring Wood Middle School for 8 years. He became the Assistant Principal of Greenbrook School in 2007. In 2012 Mr. Gustafson became the Principal of Greenbrook School.
Mr. Gustafson enjoys spending time with his wife (Lisa) and his two children (Zach) and (Jamie) when he is not at Greenbrook School. He lives to make everyday a Great Day to be a Gator!
Assistant Principal
Mr. Baier attended Illinois State University where he earned his Bachelor Degree in Middle Level Education. Mr. Baier also attended Roosevelt University where he earned his Learning Behavior Specialist Endorsement. Most recently, Mr. Baier obtained his Masters Degree in Educational Leadership from Aurora University.
Mr. Baier has been in education for 18 years and is thrilled to be a part of the Keeneyville family! Prior to Greenbrook, Mr. Baier was a special education teacher at Clare Woods Academy, a special education teacher in Batavia School District 101 and most recently an Assistant Principal in Woodstock School District 200. With a passion for fostering inclusive opportunities for all students, Mr.Baier works to build opportunities for partnerships between students of all abilities. Mr. Baier presented at the Association of Illinois Middle Schools on the “The Power of Peers” and started a Best Buddies program at Rotolo Middle School in Batavia. Mr. Baier's core philosophy on education is fostering and maintaining meaningful relationships.
Outside of school, Mr. Baier and his wife Sophia, are kept busy with their two daughters. Everly (5) and Ella (3) . Mr. Baier and his family enjoy spending time outdoors, going to the park, going on nature walks, and spending time together with “family movie nights” Mr. Baier is also a huge sports fan and you will see his office decorated in the Green and Gold of the Packers. Mr. Baier is proud to be a part of Greenbrook and is excited to begin his adventure as a Gator!