| Hilgendorf Lecture, Evolution and Ecology Forum, University of Tübingen, 2009. |
| Director’s Lecture Series, American School of Classical Studies at Athens, 2009. |
| "Transition from Archaic to Modern: Quantitative Approaches" symposium, Max Planck Society and EVAN, 2009. |
| Special symposium "Quantitative genetic approaches to human phenotypic evolution", American Association of Physical Anthropologists annual meeting, 2009. |
| Institute of Human Evolution, University of the Witswaterand, South Africa, 2008. |
| Wenner-Gren Foundation International Symposium "Human Evolution", Stockholm, 2008. |
| University of Geneva, Switzerland, 2008. |
| Aristotle University of Thessaloniki, Greece, 2008. |
| Special symposium "In and Out of Africa", Society of Africanist Archaeologists 19th Biennial Meeting, Frankfurt University, 2008. |
| University of Cape Town, 2008. |
| National Kapodistrian University of Athens, Greece, 2008. |
| 13th National Academy of Sciences USA – Humbolt Foundation German-American Kavli Frontiers of Science Symposium, 2007. |
| University of California at Berkeley, Dept of Integrative Biology, 2007. |
| Max Planck Institute for Evol. Anthropology, 2007 |
| University of Cambridge, Leverhulme Center for Human Evolutionary Studies, 2007. |
| University of Crete, Greece, 2006 |
| University of Tübingen, 2006 |
| Wiener Lab, British Archaeological School, Athens, 2005 |
| New York University "Neanderthals Revisited" International Conference, 2005 |
| University College London, 2005. |
| Institute of Human Origins, Arizona State University, 2004. |
| Stony Brook University, New York, 2004. |
| University of California at Davis, 2004 |
| City University of New York Graduate School, 2002 |
| Special symposium "Modern Morphometrics in Physical Anthropology", American Association of Physical Anthropologists annual meeting, 2002 |
| Yale University, 2002. |
| New York University, 2001. |
| National Kapodistrian University of Athens, "Paleoanthropology of Mani" International Conference, 1998. |
