Our Academic Coaches (A-Z)

Alyssa Strzalka
Alyssa Strzalka

Subjects: English Language Arts (Reading Comprehension, Writing), ACT (English), SAT (English), College Essay, AP English Literature & Language

Levels: High School 

Bio: Alyssa is a Wheaton Academy graduate (2015). She completed her first year of teaching at Harvest Christian Academy before joining the Wheaton Academy English Department in 2020. She recently transitioned to a job in publishing at Crossway and is excited to continue working with students as a tutor. 

Credentials: B.S. in Education and Creative Writing Minor from Baylor University 

 

Bob Ward

Subjects: English Language Arts (Reading Comprehension, Writing), Study Skills 

Levels: High School, College Students, Adult 

Bio: Bob taught English in the public school system for over 30 years and has experience working with all ability levels. Bob enjoys working with international students on English proficiency, and he previously managed Wheaton Academy’s Study Labs. 

Credentials: Certified teacher endorsed to teach English/Language Arts 

Dick Clancy

Subjects: Math (Algebra, Geometry), Science (Physics, Chemistry, Biology), AP Environmental Science 

Levels: Middle School, High School 

Bio: Dick has taught high school and junior high school students for twenty-five years and enjoys helping students reach their learning goals for the Lord. 

Credentials: Ed.M. in Continuing and Secondary Education from University of Illinois; B.S. in Chemistry and Mathematics from Boston College.  

Holly Taritas

Subjects: Executive Functioning Coaching, Life Coaching 

Levels: High School, College, Adult 

Bio: Holly works with clients on executive functioning and life coaching and teaches student teachers online at Grand Canyon University. She is a former Wheaton North High School teacher and administrator. Executive Functioning is her passion as she reminds her students that we are always learning, growing and improving. 

Credentials: Certified Executive Functioning Coach with Peg Dawson, author of Smart but Scattered; Certified Life Coach with the John Maxwell Team; M.S. in Education with sixty hours in Supervision and Curriculum; B.S. in Child Development. 

Liz Reid

 Subjects: Student Success Coaching, English Language Arts (Reading Comprehension, Writing), Study Skills, SAT Prep (English), ACT Prep (English) 

Levels: Elementary School, Middle School, High School 

Bio: Liz is a graduate of St. Mary’s University. She has taught 1st, 3rd, 4th, 7th, 8th grades for the last 25 years. More recently, her teaching experience has been with a local homeschool co-op and is currently teaching preschool in Wheaton. Liz creates a fun, positive learning experience to help meet personal goals and has enjoyed tutoring for the last 25 years. 

Credentials: M.N. and B.A. in Elementary Education; M.A. in Reading from Concordia College 

Kristen
Kristen Rusthoven

Subjects: English Language Arts (Reading Comprehension, Writing), History, ACT Prep (English, Math, Reading), SAT Prep (Reading), Study Skills, College Essays 

Levels: Middle School, High School, Adult Learners 

Bio: Kristen is a graduate of WCGS and Wheaton Academy, and she is currently teaching English at Wheaton Academy. She has experience working with all ability levels and has been teaching for 10 years. She has experience teaching study skills classes and literacy intervention classes. 

Credentials: M.A.E. in Reading Specialist from Olivet University; B.A. from Trinity College; Certified Reading Specialist; Certified Teacher with English Language Arts and History Endorsements. 

Luke Bothun

Subjects: Science (Anatomy, Biology), AP Biology, ACT Prep (English, Math, Science), SAT Prep (English, Math) 

Levels: High School  

Bio: Luke is a senior at Wheaton College, currently studying Business Economics and Biology. He is from Rochester, Minnesota and runs Cross Country and Track for Wheaton College. 

Credentials: B.A. in Business Economics and Biology Minor from Wheaton College (Expected May 2025) 

Maddie Urban

Subjects: English Language Arts (Reading Comprehension, Writing), AP-Seminar, College Essay Writing; Accommodations (Test Reading, Scribing), SAT Prep (English)  

Levels: High School 

Bio: Maddie Urban is a former Wheaton Academy English teacher. During her five years at Wheaton Academy, Maddie taught all levels of English and loves working with students on their reading and writing. As a former AP Seminar teacher, she particularly enjoys working with upper-level students on research-style writing. Maddie is passionate about supporting each student’s growth as a reader, writer, and thinker. 

Credentials: B.A. in English and Secondary Education from Wheaton College; Certified teacher with English Language Arts (6-12) and Science (6-8) endorsements. 

Robert S. Dieter

Subjects: Math (Pre-Algebra to College Algebra), Science (Anatomy, Biology), Study Skills.

Levels: Middle School, High School, College, Adult  

Bio: Robert is a father of four Wheaton Academy students, both current and graduated. Currently, he is a Professor of Medicine at Loyola. It is his goal to help students better understand their subjects to enrich their passion for learning.

Credentials: M.D. from University of Illinois; A.L.M in Management from Harvard University; B.S. in Biology and Mathematics

Ryan Chaney

Subjects: Math (Pre-Algebra, Algebra 1, Geometry, Algebra 2, College Algebra, Pre-Calculus, Calculus) 

Levels: High School 

Bio: Ryan taught high school and middle school math for three years at a private school in Maryland and taught four years in the math department at Wheaton Academy. He enjoys helping students develop an appreciation for math and helping them see how math provides a framework for us to model and understand the world around us. 

Credentials: M.Ed. in Curriculum and Instruction from University of Cincinnati; B.A. from Cedarville University; Professional Educators License, National Louis University. 

Sean McCallum

Subjects: Art 

Bio: Sean has been at WA since 2011. He transitioned to traditional education from many experiences in the creative world.  Most recently, he has worked as an independent consultant and has held a variety of design roles. He brings a love for painting and drawing, and desires that art tells a story. 

Credentials: B.A. in Studio Art from Wheaton College; MFA in Illustration from Academy of Art University 

Stacey Krohn

Subjects: Spanish Language and Literature 

Levels: High School 

Bio: Stacey currently teaches Spanish at Wheaton Academy, and she has experience working with international students and all ability levels in Spanish and/or English. She was a classroom teacher for 13 years, 8 of those years in International Schools in Peru and Ethiopia. She is currently teaching Spanish at Wheaton Academy. 

Credentials: B.A. in Spanish from Linfield University; M.S. in Education from Cairn University 

Tim McDunn

Subjects: ACT Prep (English, Math, Science), SAT Prep (English, Math), Music Theory, Computer Science, Spanish, Italian, Latin 

Levels: Middle School, High School 

Bio: Tim currently serves as Guest Lecturer in Music Theory and Composition at Wheaton College. He has mentored students of all ages in test prep, music theory, Latin, ESL, and math. At the secondary level, he has taught Latin and music at Ridgeview Classical Schools in Colorado, Latin at Liceo Classico Berchet in Milan, and ESL in Monza, Italy. With a passion for learning and servant-minded attitude, Tim is excited to share with students the academic strategies he’s learned from his broad experiences. 

Valerie Gregersen

Subjects: Math (Algebra 1 and 2, Geometry, College Algebra, Precalculus, Precalculus Advanced), ACT Prep (Math, Science), SAT Prep (Math) 

Grade Levels: Middle School, High School, College, Adult

Bio: Valerie is a Wheaton Academy teacher who has taught high school and middle school math for over 27 years. Her first 11 years were in Houston, TX and the last 16 years have been at Wheaton Academy.  Valerie truly believes that all students can learn math and reach their full God-given potential.  

Credentials: B.A. in Secondary Education and Mathematics from Northwestern College (IA). 

Caleb Rathbun

Science (Chemistry, Biology, Anatomy) Paper Editing, College Essay Writing. Caleb is a senior at Wheaton College and is a pre-med student majoring in Biochemistry and Molecular Biology with a minor in Political Science. He is a WA alumnus, enjoys playing  IM volleyball and cello in the Wheaton College Symphony Orchestra, and recently spent 6 months volunteering at a clinic in rural Guatemala. Caleb loves to engage various topics in science and their current applications within medicine, from chemical bonds to human body systems.