| 1992 | Columbia University, Ph.D., Physics |
| 1990 | Columbia University, M.Phil., Physics |
| 1989 | Columbia University, M.A., Physics |
| 1987 |
Imperial College, University of London, B.Sc. (Hons.),
Physics Royal College of Science, A.R.C.S. (Hons.), Physics |
| 2007 Spring | Sabbatical Visitor, Department of Astrophysics, The American Museum of Natural History |
| 2006 - 2007 | Visiting Associate Professor (Sabbatical Visitor), Department of Physics and Astronomy, Northwestern University |
| 2005 - present | Member, Center for Gravitational Wave Physics, The Pennsylvania State University |
| 2004 - present | Associate Professor, Department of Astronomy and Astrophysics, The Pennsylvania State University |
| 1998 - 2004 | Assistant Professor, Department of Astronomy and Astrophysics , The Pennsylvania State University |
| 1995 - 1998 | Hubble Fellow, Department of Astronomy University of California, Berkeley |
| 1992 - 1995 | Postdoctoral Researcher, Space Telescope Science Institute |
| 1995 - 1998 | Hubble Fellowship |
| 1992 | Allan M. Sachs Award for Outstanding Contributions to Undergraduate Teaching (Columbia University, Physics Department) |
American Astronomical Society
High-Energy Astrophysics Division