Frontis - Wageningen International Nucleus for Strategic Expertise is an activity of Wageningen University and Research ( Frontis started in June 2001 and is aimed at giving an impulse to scientific progress by bringing together scientists in the fields of agricultural, environmental and related sciences in an atmosphere of open discussion and interaction with colleagues from all over the world. Frontis wants to achieve this through symposia, workshops, master classes, lectures and sabbaticals and by offering excellent scientists from elsewhere the possibility of a temporary appointment at Wageningen University and Research.