Dr van Heijningen is a plastic surgeon who was trained in the Netherlands but moved to Belgiumafter marrying a Belgian anesthetist. He presentlyworks in the AZ Zeno hospitals of Knokke and Blankenberge and his private clinic Duinbergen Clinic.
He is member of renowned professional societies such as the International Society of Aesthetic Plastic Surgery. He was chosen as secretary of the Belgian chapter of ISAPS, and was asked to chair the membership committee, he is assistant chair of the National Secretaries, he is member of the patient safety committee, the fellowship committee and Regional Chair for Europe of the educational council. He is co-organiser of the ISAPS fresh cadaver dissection course in Liege.
He initiated the European Standard for Aesthetic Surgery Services out of concern for patient safety. This standard was published in 2015. A European Standard for Aesthetic Medicine non-surgical procedures was the next challenge and the formal vote passed in January 2017, publication is expected later that year.
He is president-elect of the European Association of Societies for Aestheic Plastic Surgery (EASAPS).
He is a board member of the Royal Belgian Society of Plastic Surgery (RBSPS) as well.
He is a member of the faculty of the ALLERGAN Medical Institute.