He is the Director of The Ancient Egyptian Archaeology and Heritage Fund. Before that, he was Senior Curator of Ancient Egyptian, Nubian, and Near Eastern Art at the Michael C. Carlos Museum from 1998 to 2014.  Previously he served as Assistant Curator in the Department of Ancient Egyptian, Nubian and Near Eastern Art at the Museum of Fine Arts, Boston. Currently, he is also Consulting Curator for the Egyptian Collection at the Albany Institute of History and Art and Visiting Research Scholar at the American University in Cairo.

He has also taught at Syracuse University, Virginia Commonwealth University, Georgia State University, The Massachusetts Institute of Technology and been the W. K. Simpson Distinguished Visiting Professor at the American University in Cairo.

His archaeological fieldwork has included excavations at the Valley of the Kings at Thebes, the Palace city of Amenhotep III at Malqata in Western Thebes, Abydos, Hierakonpolis and at the Giza Plateau, and currently, he is directing the survey and restoration of the site of Deir el-Ballas.  His publications include studies on Daily Life and Urbanism in Ancient Egypt, Egyptian Mortuary Traditions, and the Material Culture of Ancient Egypt and Nubia.