Faculty/Staff

Amy Becker
Physics and Chemistry

Ms. Becker holds a B.S. from the University of Notre Dame and an M.Ed (with an emphasis in Curriculum and Instruction in Science) from the University of Missouri.  Amy spent the last 8 years teaching Physics and Chemistry in Catholic high schools, most recently at Marist Catholic High School in Eugene, Oregon, and has been involved in student retreats, Track and Field, and the National Honor Society.

Faculty/Staff

Veronica Graffis
Mathematics / Integrated Science

Veronica Graffis comes with more than 30 years of public and private K-12 classroom teaching experience, including a career with St. Michael’s Episcipal Day School. Most recently, she worked as a math tutor at Cristo Rey High School where she helped students in need of additional academic support.

Education

  • UC Berkeley, Bachelors degree
  • Single subject teaching credential in Life Science from San Francisco State University
Faculty/Staff

Gregory Harcos ’89
Chemistry / Geometry XL / Director of Summer Programs / Frosh Basketball Coach

Joined Jesuit High School in 1998 as a full time teacher in the Science Department. Over the past two decades has served in many capacities: 

  • Teacher (1998-2015, 2019-present) Honors Chemistry, Chemistry, General Science, Geometry Science Department Chair/Academic board (2007–2015) 
  • Head Varsity Basketball Coach (2002-2015) 
  • Head of the Athletic Department (2015-2019) 

Married to Molly, with three children Jack (10), Cate (7), and Caroline (1) 

Faculty/Staff

Tom Witzgall ’98
Chemistry

Education:

  • BS Biology – UCSD – 2002 
  • Single Subject Credential – Biology and Chemistry 

Moderator/Coach:

  • Cross Country Assistant Coach

First year working at Jesuit: 2006