David Kragten

David Kragten is currently the Manager of Research and Development at Specialty Granules LLC. Prior to this, David held various positions in the field of materials research, chemistry, and engineering at companies such as Elsevier, Unimin Corporation, and DuPont. David's educational background includes a Ph.D. in Chemistry from Eindhoven University of Technology and a M.Sc. in Chemistry from Utrecht University. Their expertise lies in developing technologies to enhance the performance of roofing granules and exploring various applications for mineral products.