He has been involved in international collaborations, presentations and consulting work with governments and organizations in Denmark, Australia, Switzerland and the U.S. According to Dr. Van Acker, “when novel traits are grown commercially outside for any length of time the movement of those traits beyond their intended destinations is virtually inevitable.
Il a participé à des activités de collaboration, des conférences et des consultations à l'échelle internationale, avec les autorités publiques et des organisations, au Danemark, en Australie, en Suisse et aux États-Unis.