TESS Helpdesk

TESS Science Support Center team

The Guest Investigator (GI) office is part of the TESS Science Support Center at GSFC, and helps the community to access and analyze data collected within the mission. The GI office is also responsible for running the $3M annual GI proposal competition.

The members of the TESS GI office are listed below.

Dr. Knicole Colón
Project Scientist

Dr. Allison Youngblood
Deputy Project Scientist

Dr. Christina Hedges
Director of the Guest Investigator Office

Dr. Rebekah Hounsell
Support Scientist

Dr. Veselin Kostov
Support Scientist

Dr. Tyler Pritchard
Support Scientist

Dr. Nicole Schanche
Support Scientist


You can contact the TESS Science Support Center at tesshelp@bigbang.gsfc.nasa.gov for advice and information on:

  • the TESS mission;
  • proposing to observe with TESS;
  • instrument characteristics;
  • data and calibration issues;
  • data analysis software.

Your contact information will be used to answer your query and will not be used for commercial purposes or given away except as required by law. For more information, consult the NASA Privacy Policy.

You can also refer to our Frequently Asked Questions page for information on a variety of TESS topics.

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