Welcome to Euroscience Mediterranean Event 2009, ESME 2009, which will take place from 15 to 19 October 2009, in Athens, at the Technopolis - Athens Gazi Industrial Archaeological Park. ESME 2009 is organised by Euroscience Greek Regional Section, under the auspices of Euroscience, the European Association for the promotion of science and technology. It is the first in a series of biennial events, dedicated to scientific research and innovation. ESME provides a platform for dialogue on science and technology, society and policy, following the pattern of the Euroscience Open Forum, while focusing on the specific characteristics and needs of the Mediterranean region.