STScI Staff Profiles

The talented and experienced staff members at the Space Telescope Science Institute (STScI) are a mix of astronomers, scientists, researchers, engineers, educators, information technology staff, newsroom managers, writers, designers, business professionals, and administrative staff. They work to support NASA’s Hubble Space Telescope (HST), James Webb Space Telescope (JWST), and Wide Field Infrared Survey Telescope (WFIRST), community missions and future concepts, and the Barbara A. Mikulski Archive for Space Telescopes (MAST). Learn more about our employees, who bring diverse talents, backgrounds, expertise, and perspectives to STScI, by reading a few profiles.

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Building for the Community
Theresa Dower engineers new ways to use our massive data archives.
An Unwavering Focus
Charles-Philippe Lajoie on applying to be an astronaut and contributing to Webb’s readiness.
Reimagining Data Access
Prem Mishra on staying at the forefront of information technology by moving tools to the cloud.
Growing a Diverse Community
James Paranilam creates connections that positively impact the institute’s culture.
Simulating the Universe
Molly Peeples’s deep dive into synthetic data reveals new possibilities in astronomy.
Contributing to a Cultural Shift
Catherine Riggs supports a database for JWST’s instruments, and promotes diversity and inclusion at the institute.
A Constant Commitment to Research
Roeland van der Marel leads the science operations of WFIRST and a research group devoted to ongoing galactic studies.
In Perfect Form
Kerri Witmer shares how competition prepared her to meet any business challenge.

Opportunities Resources


Pointers to help you navigate our job application system from start to finish.


Our robust and competitive benefit programs support the well-being of our employees.


Positions range from astronomers and engineers to support staff and communications professionals.


We continually strive to build a team with diverse talents, expertise, and perspectives.

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