- NOVA, Dutch research school for astronomy (Leiden, Amsterdam, Groningen, Nijmegen): Bernhard Brandl (PI, Leiden University)
- UK Astronomy Technology Centre in Edinburgh, UK: Alistair Glasse
- Max Planck Institute for Astronomy in Heidelberg, Germany: Markus Feldt
- Katholieke Universiteit Leuven, Belgium: Hans van Winckel
- CEA-Saclay, France: Eric Pantin
- ETH Zürich, Switzerland: Sascha Quanz
- A* (Wien, Linz-RICAM, Uni Linz, Innsbruck, Graz), Austria: Manuel Güdel (Wien)
- Universität zu Köln, Germany: Lucas Labadie
- multidisciplinary centre for astrophysics (centra), Lisbon, Portugal: António Amorim
- University of Liège, Belgium: Olivier Absil
- ASIAA, Taiwan: Paul Ho
- University of Michigan, USA: Michael Meyer
METIS is developed in collaboration with ESO.