John Bereza

John Bereza is the Great Lakes regional sales manager for Haviland Pool & Spa Products, a manufacturer of water treatment products in Grand Rapids, Mich. Bereza has worked at Haviland since 2003 in various roles, including decorative coatings technical support and marketing, and, since 2020, has been in the current sales role with a primary focus on technical training. He can be reached via email at [email protected].