CTSP Episode 081 - BYK Additives, Ronald Brashear, Coatings 2019 By: Paul Atzemis, Jack Walker | May 27, 2019 in Podcast, Coating Science Jack Walker and Paul Atzemis are joined by Ronald Brashear. Ron is the End Use Manager for Protective Coatings Additives in North America for BYK. The guys discuss the role of dispersing agents in coating formulation.