Center for Astrophysics
Director of the Institute for Theoretical Atomic Molecular and Optical Physics (ITAMP) SAO Senior Scientist Harvard Senior Research Fellow
Director, Science Education Department
Astrophysicist
Instrument Scientist
Research Assistant
Phillips Professor of Astronomy, Director Origins of Life Initiative, Senior Advisor in the Sciences for Advanced Study
Opto-Mechanical Designer
Senior Researcher
IT Specialist: Image Processor
NASA Hubble Fellow