Meet the Faculty

Johnny Lin, Physics professor

Johnny Lin

Affiliate Professor of Physics and Engineering

Johnny Lin received his PhD in Atmospheric Sciences from UCLA and uses this special area of interest to operate a weather station on North Park’s campus. Learn more about Dr. Lin.

Linda McDonald, Physics professor

Linda McDonald

Associate Professor of Physics

Linda McDonald, a PhD candidate at the University of Chicago in the history of physics, is infectiously passionate about the possibilities of a physics degree—and helping her students explore them. Learn more about Professor McDonald.

Dr. Stephen Ray

Stephen Ray

Assistant Professor of Physics and Engineering, Director of Sustainability

Dr. Stephen Ray is an engineer and educator working towards improving the environment and STEM education. He joined the North Park faculty in 2014, teaching physics and engineering as well as serving as the director of sustainability. Dr. Ray earned his bachelor's, master's, and doctoral degrees in mechanical engineering at the Massachusetts Institute of Technology (MIT), and has worked on sustainable design projects around the world. His research currently includes examining how microscopic particles in the air can be reduced, as well as how city-wide carbon emissions impact life expectancy.