TRI Princeton
Trefor Evans is the Director of Research and Institute Fellow at TRI Princeton, where Trefor has been employed since June 2015. Prior to this role, Trefor served as the Director of Measurement Services at the same company. Trefor is also the Founder and Principal of TA Evans Inc., a company specializing in measurement-related support for the hair care industry. With a Ph.D. in Chemistry from The University of Toledo, Trefor has extensive experience in the hair care industry, having held positions such as Development Manager at Unilever HPC and Senior Scientist at Helene Curtis.
TRI Princeton
TRI/Princeton is an independent, non-profit scientific research and education organization. Since 1930, TRI has focused on Hair, Skin, Fibers, Woven Fabrics, Nonwoven Fabrics, Membranes & Films. Services include: Contract Research, Claims Substantiation, Test Method Development, Consulting, Core Technology Projects, and Professional Education. Through fundamental and applied science, we provide customers with tools needed to conceive, develop, and improve products and services. Areas of expertise: Fluid Flow and Pore Size Characterization, Human Hair Chemistry and Mechanics, Porous Materials: Modeling and Characterization, Polymer & Fiber Science, and Cosmetic Chemistry. The TRI/Princeton Professional Education Program offers industry relevant practical short courses and workshops.