Phone: 571-252-1980


Degrees and Certifications:

Dr. John Chapin

Computer Science Teacher 

Courses Teaching 2022-2022:  AET AP Computer Science A + Data Structures for Sophomores and AET Computer Science Junior Research, which will include machine learning, mobile application and web development and AET CS Senior Research.

Education:  Graduated from Georgetown University in 1987 with a major in Math and received a Masters in Business Administration from the University of Virginia in 1996. I received my Ph.D at Virginia Tech in Curriculum and Instruction - Integrated STEM.

Business/Professional:  For the last eight years, I have been teaching Math and Computer Science in Loudoun County Public Schools.  I am a career switcher and worked in the private industry for 25 years before teaching.  I worked in multiple technology roles including serving as a computer systems engineer with Electronic Data systems and co-founding an Internet startup in 1998.

Personal: I have been married for 33 years to my wife Gabriella Kelemen.  I have two sons, Benjamin and Noah, who graduated from Tuscarora High School in 2017 and graduated from Babson College.  I have lived in Leesburg for 25 years.

Twitter:  @math_CS_Teach

Instagram:  computerscienceclassroom


AET Comp Sci Jr. Research
AET AP Computer Science A + Data Structures