Jan Willem Keijzer has extensive experience at Royal Brinkman, serving as Product Manager for Hygiene and team leader in hygiene and customer support for Integrated Pest Management since February 2006. Previous roles at the company include Operational Product Manager for Disinfection and various specialist positions focused on fertilizers and disinfection. In addition, Jan Willem participated in the HortiHeroes Intrapreneurship program in 2020. Jan Willem holds an HBO degree in Plant Science from HAS Dronten, completed in 2005.