Upper School Faculty

  • Dean of Students and Upper School History

    David Mathwin

    Dave Mathwin has taught at Ad Fontes since 1998. He lives in Centreville with his wife Linda and their three children, John, AJ, and Keris....
  • Junior and Senior Theology - Worldview and Apologetics and Senior Seminar

    Ray Blunt

    Ray graduated with a B.S. in engineering and political science from the U.S. Air Force Academy followed by Master’s degrees in Economics...
  • Dean of Instruction, Math and Science Lead

    Bill Carey

    Mr. Carey has been involved in the life of the school since he was in high school. He assisted his father at the weekly Latin Club and took...
  • Bible, Civics, History, Math and Mock Trial Coach

    Kerry Lockhart

    Mr. Kerry Lockhart brings diverse experience and a passion for the Lord and for students. He holds a Bachelor of Arts in Mathematics from Indiana...
  • Head of Rhetoric, Classical Composition, Literature

    Linda Mathwin

    Mrs. Linda Mathwin starting teaching at Ad Fontes in 1998. After staying at home full time to care for her three children for nine years, she...
  • Math and Odyssey of the Mind coach

    Susan Smith

    Mrs. Susan Smith has a Bachelors degree in Mathematics with a concentration in Education from the Massachusetts Institute of Technology. She...
  • Basketball Program and Varsity Boys Basketball Coach

    Jerry Cuffee

    Coach Cuffee has been involved in coaching basketball for more than 20 years. Coach Cuffee joined AFA in 2010. From 2006-2010 he served as...
  • Upper School Art

    Shawn Overos

    Mrs. Shawn Overos graduated Cum Laude from Indiana State University with a B.A. in French Literature, a minor in German Literature and a specialization...
  • Lower and Middle School Physical Education

    Joy Rangel

    Mrs. Joy Rangel is a graduate of the University of Virginia with a B.A. in Economics. She has worked as a center supervisor for Fairfax County’s...