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Director's Office > Committees


External Committees

Users Committee

The Users Committee (UC) is made up of users and potential users of NRAO facilities from throughout the scientific community. It advises the Director and the Observatory staff on all aspects of Observatory activities that affect the users of the telescopes. This committee, which is appointed by the Director, meets annually.

The current membership of the NRAO Users Committee for 2020 is given below. In 2014, NRAO integrated the ALMA North American Science Advisory Committee (ANASAC) as a standing subcommittee of the Users Committee. Users Committee members who also serve on the ANASAC are indicated, as are the ANASAC representatives to the international ALMA Science Advisory Committee (ASAC).

  • Edo Berger, Harvard University (2021)
  • Ilse Cleeves (Vice-Chair), University of Virginia (2021)
  • Alessandra Corsi, Texas Tech University (2023)
  • Christopher DePree, Agnes Scott College (2021) CASA UC
  • Jin Koda (Chair), Stony Brook University (2021) ANASAC
  • Shih-Ping Lai, National Tsing-Hua University (2020) ANASAC
  • Casey Law, California Institute of Technology (2022)
  • Laurent Loinard, UNAM (2021)
  • Thomas MaccaroneTexas Tech University (2023)
  • Dan Marrone, University of Arizona (2020) ANASAC/ASAC
  • Susan Neff, NASA/GSFC (2022)
  • Giles Novak, Northwestern University (2020) ANASAC
  • Rachel Osten, Space Telescope Science Institute (2020) ANASAC
  • Kate Su, University of Arizona, (2021) ANASAC
  • Stephen White, Kirtland AFB (2020) ANASAC/ASAC
  • Christine Wilson, McMaster University (2020) ANASAC/ASAC

The Users Committee Charge (pdf).

The NRAO Users Committee has created a web form to receive comments and suggestions from the astronomical community regarding any aspect of the Observatory’s scientific operations.


ALMA North American Science Advisory Committee

The ANASAC provides scientific advice to the NRAO director on the science operation of ALMA and the North American ALMA Science Center, as representatives of the wider North American astronomical community.

  • Jin Koda, Stony Brook University (2021)
  • Shih-Ping Lai, National Tsing-Hua University (2020)
  • Dan MarroneUniversity of Arizona (2019)
  • Giles Novak (Chair), Northwestern University (2020)
  • Rachel Osten, Space Telescope Science Institute (2020) 
  • Kate Su, University of Arizona (2021)
  • Stephen White, Kirtland AFB (2020) NA ASAC Vice-Chair
  • Christine Wilson, McMaster University (2020)

Bold = Member of ALMA Science Advisory Committee (ASAC)

Additional information on the ANASAC can be found on-line at:  https://safe.nrao.edu/wiki/bin/view/ALMA/AlmaNorthAmericanScienceAdvisoryCommittee


The NRAO Visiting Committee

The NRAO Visiting Committee is appointed by the AUI Board of Trustees to review the management and research programs of the Observatory. The Visiting Committee meetings are held at alternating NRAO sites. The current membership of the Committee is:

  • Rachel Akeson (Chair), IPAC/Caltech (2020)
  • Paul Gueye, Michigan State University (2022)
  • James Jackson, Boston University (2020)
  • Luis Rodriguez, UNAM (2020)
  • Brian Keating, UC San Diego (2022)
  • Patricia McBride, Fermi National Accelerator Laboratory (2021)
  • Margaret Meixner, STSci (2020)
  • David Reitze, LIGO Laboratory (2021)
  • Greg Taylor, University of New Mexico (2022)
  • Belinda Wilkes, Chandra X-ray Center (2021)

The Visiting Committee Charge (pdf).

Internal Committee

Observatory Science and Technology Council

The main purpose of the NRAO Observatory Science and Technology Council (OSTC) is for the senior management of the NRAO to obtain advice and feedback from representatives of the scientific staff. It is also intended to provide a mechanism for effective dialog on issues of significant concern or relevance to the Scientific staff and/or the senior management of the NRAO, including recommendations to the AD: SSR and/or NRAO Director.

The OSTC advises and reports to the Director, and is Chaired by the Assistant Director: Science Support and Research (Lewis Ball). The membership of the OSTC includes scientific staff members with a broad range in scientific and technical expertise.

OSTC Members (Dec 2017)

Jim Braatz Charlottesville, Site Representative Dec-18
Rachel Friesen
Charlottesville Dec-19
Scott Ransom
Rich Bradley
Charlottesville, CDL Dec-18
Bill Shillue
Charlottesville, CDL
Ryan Lynch
Green Bank Observatory
Bryan Butler
Socorro Dec-18
Chris Carilli
Claire Chandler
Socorro Dec-18
Amy Kimball
Socorro, Site Representative
George Moellenbrock
Charlottesville Dec-18
Urvashi Rao Venkata
Socorro Dec-18

    For more information see the complete OSTC Terms of Reference

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