Rhetoric Teacher Bios

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Debbie Gottlieb, Dean of Rhetoric, Literature Teacher

Mrs. Gottlieb has been with the Greenhouse since 2006, and with the Rhetoric program since its inception. She began serving as Dean of Rhetoric in 2017. She has a B.S.Ed. (K-12/Special Education), as well as graduate work in Curriculum and Supervision, and has taught in a wide variety of public, private, and collegiate venues. She and her husband, Steve, have five adult children, all homeschooled grades K-12. Mrs. Gottlieb loves teaching students to read, discuss, and write about literature and life from a Christian perspective.  When she is not at the Greenhouse, you are likely to find her reading, gardening, or playing with her seven grandchildren.  She is a member of Wheaton Bible Church, serving with children and the deaf.

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Len Chandler, Physics

Mr. Chandler is a homeschooling father with one son currently enrolled at Greenhouse. He has previously taught math, science, and history in various home-school groups. His passion is in teaching math and physics at the high school level. His greater passion is in equipping young Christians to face and affect the world around them. He has a Bachelor’s Degree in Russian with a minor in history from the University of Illinois at Chicago.

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Trish Megchelsen, Chemistry

Mrs. Megchelsen taught Chemistry for several years at the Greenhouse before going on hiatus to assist her pastor husband in moving their church to a new building as well as moving their home to be nearby the new church. With degrees in both Biology and Physical Therapy, Mrs. Megchelsen works part time as a therapist at Ivy Therapy in Sugar Grove.  She has taught high school sciences to home school students since 2008. Mrs. Megchelsen and her husband, Jim, have four children whom they have home schooled. Their family ministers at the Grace Orthodox Presbyterian Church in Elburn.  Mrs. Megchelsen inaugurated our Advanced Biology program in 2012 and also taught Chemistry from 2014-16.

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Joy O'Reagan, Literature

Mrs. O'Reagan has been teaching at Greenhouse since 2014. She graduated from Wheaton College with a BA in English Literature and an MA in Christian Formation & Ministry. Mrs. O'Reagan loves talking with students about life and faith. When she's not at Greenhouse, she loves to travel, sing in the choir, and take long walks on the Prairie Path. She attends Church of the Resurrection with her husband and two children. Mrs. O'Reagan was homeschooled herself.

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Dr. Grady Parker, History

Dr. Parker began teaching at Greenhouse in 2007. He holds a bachelor's degree from Wheaton College in Music History and Literature, an MA in Intellectual History from Northwestern University, and a Ph.D in Modern British History from Trinity College Dublin. Besides his work at Greenhouse, he previously taught early modern and imperial British history at Trinity College Dublin. His research interests include 19th century British domestic politics and foreign policy. When he isn't teaching, Dr. Parker enjoys travelling and collecting antiquarian and rare books. He attends College Church in Wheaton. Dr. Parker was himself homeschooled.

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Melissa Youngren, Literature

2019-20 is Mrs. Youngren’s first year at Greenhouse. She received her BA in English Literature from Truman State University and her MA in Education from Concordia University. She taught English literature across the gamete: a parochial school, a suburban high school, and a Chicago public school. She became the lead literacy teacher at her high school instructing all disciplines how to incorporate literacy within their curriculum. Next, she became a literacy coach to English teachers across the city of Chicago and other Midwest cities. She developed and gave professional development to high school English teachers and developed curriculum for a nation-wide educational reform company. She sees education as a ministry. Mrs. Youngren and her husband have 3 children. When she is not teaching you will find her reading, running, singing, or playing with her family. Mrs. Youngren and her family attend Church of the Resurrection.

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Kari Ziman, Biology

Mrs. Ziman and her husband Jonathan have been homeschooling their four daughters for the past 11 years, first attending Greenhouse in 2018.  Kari graduated from Wellesley College with a BA in Political Science and an English minor, while also fulfilling all Pre-Med requirements and playing on the basketball and soccer teams. She has an MA in the Humanities from the University of Chicago and a CA K-12 teaching certificate, with an emphasis on high school science and english.  Kari taught high school biology and physics at the American School in Japan, 6th grade and 1st grade at a Christian school in California, and multiple grade levels here in Wheaton with Classical Conversations for eight years. Kari has spoken at homeschool practicums in Illinois and Wisconsin and is passionate about classical Christian education. She loves to equip students with the necessary skills to shine light on truth, demonstrate integrity, and grow in confidence of their God given abilities. She attends Gospel Fellowship Church where her husband is a pastor. Kari and her family also serve with Visionary Family Ministries and enjoy equipping and encouraging other families to follow the Lord.