ESRL Global Monitoring Division

• Directors Office

  • Director, ESRL/GMD

    James Butler
    (303) 497-6898

  • Deputy Director

    Russ Schnell
    (303) 497-6733

  • Administrative Officer

    Bill Cushman
    (303) 497-6072

  • Administrative Specialist

    Julie Singewald
    (303) 497-6074

  • Program Manager

    Ann Thorne
    (303) 497-4600

  • IT Manager

    Chris Cornwall
    (303) 497-7316

• Groups

  • Carbon Cycle and Greenhouse Gases

    Pieter Tans
    (303) 497-6678

  • Global Radiation

    Allison McComiskey
    (303) 497-6189

  • Halocarbons and other Atmospheric Trace Species

    James W. Elkins
    (303) 497-6224

  • Ozone and Water Vapor

    Irina Petropavlovskikh
    (303) 497-6279

  • Observatory Operations and Meteorology

    Brian Vasel
    (303) 497-6655

  • Aerosols

    Pat Sheridan
    (303) 497-6672

• Observatories

  • Barrow Observatory

    Bryan Thomas
    (907) 852-6500

  • Mauna Loa Observatory

    Darryl Kuniyuki
    (808) 933-6965

  • Samoa Observatory

    Gavin Chensue
    (684) 258-2848

  • South Pole Observatory

    NOAA Station Chief
    (303) 497-6655

  • Trinidad Head Observatory

    Michael Ives
    (707) 407-5099