Karlijn Gerretse is a cheerful addition to the Heeren Makelaars team. Besides answering the phone, she also makes short work of many other things that need to be done in the office! Spontaneity: Karlijn’s spontaneous character has brought a lot of fun and happy energy to Heeren Makelaars. Culture: after completing a degree in Cultural Studies, Karlijn started to work for a second-hand art and design business. When she was given the opportunity to join Heeren Makelaars, she didn’t hesitate for a second because she had always been interested in the estate agency industry.