Derek Tretheway Expert in Microfluidics and Non-Newtonian Fluid Mechanics Mechanical and Materials Engineering Office Phone 503-725-8760 Email tretdc@pdx.edu Associate Professor, Mechanical and Materials Engineering Dr. Derek Tretheway focuses on transport phenomena, microfluidics, experimental measurement techniques, non-Newtonian fluids, and optical tweezers. Education Ph.D., Chemical Engineering, University of California at Santa Barbara B.S., Chemical Engineering, University of California at Berkeley