Pablo Espinet is a leading figure in the areas of organometallic chemistry, catalysis and materials chemistry. His work in those fields has addressed fundamental problems and has had a strong impact on the understanding of important chemical processes. He has also been mentor of many researchers. His scientific achievements have been recognized with several prizes and awards and, now that he is turning seventy, we celebrate this symposium as a tribute to his long and fruitful career. We have invited a group of selected speakers that altogether, in their many different work areas, show the many facets of the chemistry Pablo has been interested in. We hope will be of interest to researchers and students.

We invite you all to join us in this celebration and we hope to see you in Valladolid.