- Prof. P. J. Walsh, Univ. of Pennsylvania [Bilateral MINECO (Spain)-NSF (USA) project]
- Prof. M. L. Kantam, Indian Institute of Chemical Technology (IICT), Hyderabad (India)
- Prof. M. Gómez, Université Paul Sabatier, Toulouse (France)
- Prof. R. Gilmour, Univ. Münster
- Prof. B. Martín Matute, Stockholm University
- Prof. P. G. Cozzi, Univ. di Bologna
- Profs. O.Reiser (Univ. Regensburg), L. Manna and T. Pellegrino (both at Istituto Italiano di Tecnologia, Genova) Marie Curie-ITN