General Information

I am an Assistant Professor in the Department of Mathematics at San Jose State University. Previously, I was a Van Vleck Visiting Assistant Professor and Research Associate at the University of Wisconsin-Madison (2012-2015). I obtained my Ph.D. from the University of Waterloo in 2011 and M.Sc. from the University of Guelph in 2006.

I was recently featured in the Course Hero Best Lessons Series. You can find my article on innovations and teaching strategies for the course Math 133A here.


  • Mathematical biology, dynamical systems, stochastic processes
  • Enzymatic pathways, signal transduction, genetic networks, etc.
  • Further details and publication list available here


I am the head advisor for the Mathematics & Statistics department and a major advisor for the Applied & Computational Mathematics program. I am the appropriate advising contact if I am your assigned major advisor, if you are interested in transferring into mathematics or statistics, or if you are a recent transfer and have not yet be assigned a major advisor. Majors advising typically occurs in October (fall terms) and March (spring terms).

To schedule an advising appointment, please find a timeslot on my Google Calendar. (Note: Make sure your Calendar is set for Pacific Time!)

Teaching (Spring 2019)

  • Math 234: MW, 1:30-2:45 p.m., MH 234
  • Office hours (DH 339):
    • M, 3:00-4:00 p.m.
    • T, 1:30-2:30 p.m.


I was raised in a small farming community Southern Ontario just west of Toronto. My non-academic hobbies include playing baseball, running, playing guitar, writing short stories, and enjoying family time with my wife, Kaitlin, and twin boys, Mason and Austin. I am also known to frequent coffee shops and open mics. Despite my Canadian blood, I have never learned to skate.

My brother is Nathaniel Johnston, a fellow mathematician specializing in quantum information theory at Mount Allison University in Sackville, New Brunswick.