CTSP Episode 048 - BYK additives, Ronald Brashear By: Paul Atzemis, Jack Walker | October 15, 2018 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 3 discuss the important role BYK plays in coating formulation and how BYK can help.