Arjan is involved in projects, workshops and training courses around the world. With over 25 years of experience in testing, agile methods, quality and project management, Test process assessments, requirements management and design. Arjan co-developed several training courses focusing on requirements management, testing and agile. As an experienced assessor and mentor, Arjan is a much sought-after workshop and team coach. Arjan's great passion is waterpolo, the interaction and confrontation of which is also present in his training courses: in honest discussions around the topic in focus.