2011-present Co-director of excavations Magura Cave in northwestern Bulgaria (Middle/Upper Paleolithic)
2007. Research team member Grotte des Contrebandiers Early modern human site in northern Morocco.
2005 and 2007. Research team member Roc de Marsal Middle Paleolithic Neandertal site in the Dordogne Valley of France
2004. Research team member Sopeña Rockshelter Middle/Upper Paleolithic, Asturias Region of Spain.
2001. Research team member Bridger Formation expedition Eocene, Southwest Wyoming.