| Rhafas, Morocco. Excavation of a Middle Paleolithic cave site. Project directed by Abdeljalil Bouzouggar and Jean-Jacques Hublin. Lithics and computerization. 2007-present. |
| Haute de Combe-Capelle (Abri Peyrony) and Roc de Combe-Capelle, France. Excavation project. 2009-. |
| Dikika, Ethiopia. Survey and excavation of Plio-Pleistocene sites. Project directed by Zeresenay Alemseged. 2005-present. |
| Jebel Irhoud, Morocco. Excavation project. Project directed by Jean-Jacques Hublin and Abdelwahed Ben-ncer. 2004-present. |
| Combe-Grenal, France. Co-directed with Dr. Harold L. Dibble, Dr. Alain Turq, Dr. Dennis Sandgathe. Project to digitize field notes and study existing collection. 2004-. |
| Roc de Marsal, France. Co-directed with Dr. Harold L. Dibble, Dr. Alain Turq, Dr. Dennis Sandgathe, and Dr. Paul Goldberg. Excavation. 2004-2009. |
| ASPS, Abydos, Egypt. Co-direct with Dr. Deborah Olszewski and Dr. Harold L. Dibble. Project to locate and excavate Paleolithic sites in the high desert near Abydos. 2000-2008. |
| Pech de l'Azé IV, Bordeaux, France. Co-direct with Dr. Harold L. Dibble. Project to study, publish and excavate the site. 1995-2004. |
| Fontéchevade, France. Co-direct with Dr. Harold L. Dibble, Dr. Philip Chase, and Dr. André Debénath. 1994-1999. |
| La Cotte de St. Brelade, St. Helier, Jersey. Studied levels H, F and C. 1995. |
| Pech de l'Azé I and II, Les Eyzies, France. Studied Acheulian and MTA levels. 1995. |
| Combe Grenal, Les Eyzies, France. Studied Acheulian levels. 1995. |
| Cagny-La-Garenne and Cagny l'Epinette, Cagny, France. Co-directed by Dr. Alain Tuffreau, Dr. Harold L. Dibble and Dr. Philip G. Chase. Associate Director, lithic analyst and information systems specialist. 1993-1994. |
| Cagny L'Epinette, Cagny, France. Co-directed by Dr. Alain Tuffreau, Dr. Harold L. Dibble and Dr. Philip G. Chase. Information systems specialist. 1991-1992. |
| Iraklion, Greece. Directed by Dr. Philip Betancourt. Computerized survey and mapping of a cave site. 1992. |
| Abydos, Egypt. Co-directed by Dr. David O'Connor and Matthew Adams. Lithic analyst. 1991. |
| Cagny-La-Garenne, Seclin, France. Directed by Dr. Alain Tuffreau. Studied collections. 1991. |
| Cagny L'Epinette, Seclin, France. Directed by Dr. Alain Tuffreau. Studied collections. 1991. |
| Gouzeaucourt, Arras, France. Directed by Dr. Alain Tuffreau. Studied collections. 1990. |
| Riencourt-les-Bapaume, Arras, France. Directed by Dr. Alain Tuffreau. Studied collections. 1990. |
| La Quina, La Quina, France. Co-directed by Dr. A. Jelinek and Dr. A. Debénath. Excavator and information systems specialist. 1987-1990. |
| CHRS, Inc., Philadelphia, PA. Projects directed by Kenneth Basalik. Excavator and information systems specialist. 1987. |
| The Odyssey Project, Ithaca, Greece. Directed by Dr. S. Simeonoglou. Surveyor. 1985. |
| Abila of the Decapolis Project, Harta, Jordan. Directed by Dr. H. Mare. Excavator. 1982, 1984. |