The “1st Hellenic Symposium on Organic Synthesis” took place in Athens, November 4-6, 2004. The invited speakers were Prof. V. K. Aggarwal (University of Bristol, UK), Prof. E. M. Carreira (ETH Zurich, Switzerland), Prof. B. L. Feringa (University of Groningen, Netherlands), Prof. A. Giannis (Unversity of Leipzig, Germany), Prof. E. A. Theodorakis (University of California San Diego, USA), Prof. A. Makriyannis (Northeastern University, USA), Prof. U. T. Bornscheuer (University of Greifswald, Germany).

The “2nd Hellenic Symposium on Organic Synthesis” took place in Athens, April 19-21, 2007. The invited speakers were Prof. E. N. Jacobsen (Harvard University, USA), Prof. D. W. C. MacMillan (Princeton University), Prof. H. Waldmann (Max Planck Institute, Dortmund, Germany), Prof. J. Ellman (Berkeley University, USA), Prof. N. Petasis (University of Southern California, Los Angeles), Prof. A. Giannis (Unversity of Leipzig, Germany), Prof. E. A. Theodorakis (University of California San Diego, USA), Prof. N. Turner (University of Manchester, UK).