About Barrie Drewitt: Barrie Drewitt is the Technical Director and Expert Odor Assessor at Princeton Consumer Research Corp, one of the worldâ??s largest global clinical research organizations. With a Masterâ??s degree in Clinical Social Work from the University of East London, he has worked in clinical trial development for over 25 years, specializing in Body Odor assessment and Anti-perspirant efficacy for all types of consumer products. Barrie travels the world for some of the largest global names in consumer product development, grading and assessing clinical trials in many geographical locations with the same products, to assess how the product works on different types of ethnicities and how the product performs in different types of environments. He is recognized worldwide as the leading authority on conducting clinical assessments on a wide array of consumer goods, and is seen as the â??â??Odor Guruâ??â?? by many clients who specifically call on him to help develop new protocols and work with their product development teams, when working on current or novel ranges. Barrie has tested almost every conceivable product that claims to mask any sort of body odor and is asked to appear as an expert witness in cases where clients are facing litigation for their productsâ?? efficacy and/or acceptability. Barrie is considered the leading expert Odor assessor in our industry, and PCR is privileged to have him onboard. Produced for: P&G