University of California, Berkeley, California
Genetics, 1986-1990, PhD

Chemical Biology, 1982-1986, B.S. with High Honors
Stevens Institute of Technology, Hoboken, New Jersey 

Research Scientist, Max Planck Institute for Evolutionary Anthropology, Dept of Primatology.  January 1999 to present, permanent appointment.  Research area:  Genetic analysis of wild primate populations.

Research Associate, Penn State University, Dept. of Anthropology. September 1992 to May 1994;  September 1997 to December 1998.  Research area:  Molecular evolution of human populations.

Postdoctoral fellow, Penn State University, Dept. of Anthropology.  September 1990 to August 1992.  Research area:  Molecular evolution of human populations in Africa.

Graduate student in Genetics Department, Division of Biochemistry and Molecular Biology, University of California, Berkeley.  September 1986 to August 1990.  Research area: human mitochondrial DNA variation and evolution in Africa.

International Journal of Primatology, Editorial board 2003-present

American Journal of Physical Anthropology, Associate Editor 2006-2010

Primates, Associate Editor 2007-present.