Union Fellows Program

Review Process

  • 5 January: Union Fellows program nomination period opens
  • 13 March: Union Fellows program nomination period closes
  • 27 March – 8 May: Section Fellows Review Committees reviewing nominations
  • 15 May: Section Fellows Review Committee recommendation reports due
  • 25 May – 26 June: Union Fellows Committee reviewing nominations forwarded by the Section Fellows Committees
  • 8 July: Union Fellows Committee meets (virtually) to discuss initial rankings 
  • 20 July - 24 July: Union Fellows Committee meets (virtually) to finalize the 2026 Class of Fellows
  • TBD September: 2026 Class of Fellows announced 
  • 9 December: Honors Ceremony at AGU26 
Phase 1: Section Review Process

Eligible nominations are first reviewed by the Section Fellows Review Committees. Each Section may forward up to 0.2 percent of their primary membership to the final selection committee (Union Fellows Committee) for review. AGU provides all Section Review Committees with the number of candidates they may forward to the Union Fellows Committee each year.

Section Fellows Review Committees are charged with selecting the most deserving candidates from their respective Section to advance to the final selection committee for consideration.

Sections Fellows Review Committees are not responsible for selecting each year's Class of Fellows.

Phase 2: Union Fellows Committee (Final Selection Committee) Review Process

The Union Fellows Committee reviews all nominations forwarded by the Sections, meeting multiple times to vote on and finalize each year's Class of Fellows. In order to be elected, each candidate must receive a majority of the Union Fellows Committee votes. The number of Fellows elected each year shall not exceed 0.1 percent of the total AGU membership and is based on the previous year's membership numbers.

Mary A Voytek

NASA Headquarters


Chair
01 January 2026 - 31 December 2027

Nandita B Basu

University of Waterloo


Vice Chair
01 January 2026 - 31 December 2027

Yemane Asmerom

University of New Mexico Main Campus


Member
01 January 2025 - 31 December 2026

Jennifer Biddle

University of Delaware


Member
01 January 2026 - 31 December 2026

Cecilia M Bitz

University of Washington Seattle


Member
01 January 2026 - 31 December 2027

Emily V Fischer

Colorado State University Fort Collins


Member
01 January 2026 - 31 December 2027

Karen Haley Johannesson

University of Massachusetts Boston


Member
01 January 2026 - 31 December 2026

Gabi Laske

University of California San Diego


Member
01 January 2023 - 31 December 2026

Li Li

Pennsylvania State University


Member
01 January 2026 - 31 December 2026

Steve Mackwell

University of Maryland College Park


Member
01 January 2026 - 31 December 2027

Mioara Mandea

CNES French National Center for Space Studies


Member
01 January 2025 - 31 December 2026

Marco Marani

University of Padova


Member
01 January 2026 - 31 December 2026

Binayak Mohanty

Texas A&M University College Station


Member
01 January 2026 - 31 December 2026

Nathan Schwadron

University of New Hampshire Main Campus


Member
01 January 2025 - 31 December 2026

Steven B Shirey

Carnegie Institution for Science


Member
01 January 2026 - 31 December 2027

Lei Zhao

University of Illinois at Urbana-Champaign


Member
01 January 2026 - 31 December 2027

David Smith

University of California Santa Cruz


Chair
01 January 2025 - 01 January 2027

Andrew Gettelman

Pacific Northwest National Laboratory


Chair
01 January 2025 - 31 December 2026

Ann Marie G Carlton

University of California Irvine


Member
01 January 2025 - 31 December 2027

William Drew Collins

Lawrence Berkeley National Laboratory


Member
01 January 2024 - 31 December 2026

Daniel J Cziczo

Organization Not Listed


Member
01 January 2026 - 01 January 2028

Benjamin Kirtman

University of Miami


Member
01 January 2025 - 31 December 2027

Sukyoung Lee

Organization Not Listed


Member
01 January 2025 - 31 December 2027

Xiaohong Liu

Texas A&M University College Station


Member
01 January 2026 - 01 January 2029

Ulrich Pöschl

Max Planck Institute for Chemistry


Member
01 January 2024 - 31 December 2026

Karen Hepler Rosenlof

NOAA Chemical Sciences Laboratory


Member
01 January 2024 - 31 December 2026

Rodrigo Vargas

University of Delaware


Chair
01 January 2025 - 31 December 2026

Edward Schuur

Northern Arizona University


Member
01 January 2025 - 31 December 2026

McKenzie Skiles

University of Utah


Chair
01 January 2025 - 31 December 2026

Valentina Ekimova

University of Virginia


Member
01 January 2026 - 01 January 2027

Elizabeth Hebel

University of Manitoba


Member
01 January 2026 - 01 January 2027

Samar Minallah

National Center for Atmospheric Research


Member
01 January 2026 - 01 January 2027

Sandra Passchier

Montclair State University


Member
01 January 2025 - 31 December 2026

Eric Kirby

Pennsylvania State University University Park


Chair
02 January 2025 - 31 December 2026

Sergio Fagherazzi

Boston University


Member
01 January 2025 - 31 December 2026

Gordon E. Grant

US Forest Service Pacific Northwest Research Station


Member
01 January 2025 - 01 January 2027

Katharine Huntington

University of Washington


Member
01 January 2025 - 31 December 2026

Brian J Yanites

Indiana University Bloomington


Member
01 January 2025 - 31 December 2026

Laura Lukes

University of British Columbia


Chair
01 January 2026 - 01 January 2027

Aditya Kar

Fort Valley State University


Member
01 January 2026 - 01 January 2027

Erika Marin-Spiotta

Organization Not Listed


Member
01 January 2026 - 01 January 2027

Anne Socquet

University Grenoble Alpes


Chair
01 January 2025 - 31 December 2026

Jianli Chen

Hong Kong Polytechnic University


Member
01 January 2025 - 31 December 2026

Glenn A. Milne

University of Ottawa


Member
01 January 2025 - 31 December 2026

David T Sandwell

University of California San Diego


Member
01 January 2025 - 31 December 2026

Freysteinn Sigmundsson

Nordic Volcanological Center, Institute of Earth Sciences, University of Iceland


Member
01 January 2025 - 31 December 2026

Anne Socquet

University Grenoble Alpes


Chair
01 January 2025 - 31 December 2026

Jianli Chen

Hong Kong Polytechnic University


Member
01 January 2025 - 31 December 2026

Glenn A. Milne

University of Ottawa


Member
01 January 2025 - 31 December 2026

David T Sandwell

University of California San Diego


Member
01 January 2025 - 31 December 2026

Freysteinn Sigmundsson

Nordic Volcanological Center, Institute of Earth Sciences, University of Iceland


Member
01 January 2025 - 31 December 2026

Julie A Bowles

University of Wisconsin Milwaukee


Chair
01 January 2025 - 31 December 2026

Gary D Egbert

Oregon State University


Member
01 January 2025 - 31 December 2026

Kenneth P Kodama

Lehigh University


Member
01 January 2025 - 31 December 2026

Branwen Williams

Claremont Colleges


Chair
01 January 2025 - 31 December 2026

Yu Gu

University of California Los Angeles


Member
01 January 2025 - 31 December 2026

Greg M McFarquhar

Cooperative Institute for Severe and High-Impact Weather Research and Operations


Member
01 January 2023 - 31 December 2026

Bin Zhao

Tsinghua University


Member
01 January 2025 - 31 December 2026

James Famiglietti

Arizona State University


Chair
01 January 2025 - 01 January 2027

Karen Haley Johannesson

University of Massachusetts Boston


Member
01 January 2025 - 01 January 2027

Hamid Moradkhani

University of Alabama


Member
01 January 2025 - 01 January 2027

Maria Cristina Rulli

Polytechnic University of Milan


Member
01 January 2025 - 01 January 2027

Kamini Singha

Colorado School of Mines


Member
01 January 2025 - 01 January 2027

Dawen Yang

Tsinghua University


Member
01 January 2025 - 01 January 2027

Binita KC

NASA Goddard Space Flight Center


Member
01 January 2024 - 01 January 2027

Nagendra Singh

Oak Ridge National Laboratory


Member
01 January 2024 - 31 December 2028

Hiroko Kitajima

Texas A&M University College Station


Chair
01 January 2026 - 01 January 2027

Carl B Agee

University of New Mexico Main Campus


Member
01 January 2025 - 31 December 2027

Shun-ichiro Karato

Yale University


Member
01 January 2025 - 31 December 2026

Bijaya B Karki

Louisiana State University


Member
01 January 2025 - 31 December 2027

Son V Nghiem

NASA Jet Propulsion Laboratory


Chair
01 January 2025 - 01 January 2027

Suzana J. Camargo

Columbia University


Member
01 January 2025 - 31 December 2027

Guido Cervone

Pennsylvania State University University Park


Member
01 January 2025 - 01 January 2028

Kam-Biu Liu

Organization Not Listed


Member
01 January 2025 - 31 December 2027

Kristina Keating

Rutgers University Newark


Chair
01 January 2025 - 31 December 2026

Kisa E Mwakanyamale Gilkie

University of Illinois at Urbana-Champaign


Member
01 January 2025 - 31 December 2026

Tim C Johnson

Pacific Northwest National Laboratory


Member
01 January 2025 - 31 December 2026

Roelof Versteeg

Subsurface Insights


Member
01 January 2025 - 31 December 2026

Ian Grooms

University of Colorado Boulder


Chair
01 January 2025 - 31 December 2026

Jonathan Poterjoy

University of Maryland College Park


Member
01 January 2025 - 31 December 2026

Alexandre M Tartakovsky

University of Illinois at Urbana-Champaign


Member
01 January 2026 - 01 January 2028

Charles H Greene

University of Washington Seattle


Chair
01 January 2025 - 01 January 2027

Virginia Armbrust

University of Washington Seattle


Member
01 January 2025 - 01 January 2027

Kim Cobb

Brown University


Member
01 January 2025 - 01 January 2027

Peter B deMenocal

Woods Hole Oceanographic Institution


Member
01 January 2025 - 01 January 2027

Scott C Doney

University of Virginia


Member
01 January 2026 - 01 January 2027

Janet Sprintall

Scripps Institution of Oceanography


Member
01 January 2025 - 01 January 2027

Maya Tolstoy

Columbia University


Member
01 January 2025 - 01 January 2027

William Thomas Anderson

Florida International University


Chair
01 January 2026 - 01 January 2028

Isla S. Castañeda

University of Massachusetts Amherst


Member
01 January 2025 - 01 January 2027

Darrell S Kaufman

Northern Arizona University


Member
01 January 2025 - 01 January 2027

Valerie Trouet

University of Arizona


Member
01 January 2026 - 01 January 2027

William B McKinnon

Washington University in St Louis


Chair
01 January 2025 - 31 December 2026

Ingrid Daubar

Brown University


Member
01 January 2025 - 31 December 2026

Alexander G Hayes

Cornell University


Member
01 January 2025 - 31 December 2026

Wen Li

Boston University


Member
01 January 2026 - 01 January 2028

Alfred S McEwen

University of Arizona


Member
01 January 2025 - 31 December 2026

Catherine Neish

University of Western Ontario


Member
01 January 2025 - 31 December 2026

Kevin A Reed

Stony Brook University


Chair
01 January 2025 - 30 April 2027

Aparna Bamzai

USGS Reston


Member
01 January 2025 - 30 April 2027

Jonathan M Gilligan

Vanderbilt University


Member
01 January 2026 - 01 May 2028

KUOFONG MA

Organization Not Listed


Chair
01 January 2026 - 01 January 2027

Eric M Dunham

Stanford University


Member
01 January 2025 - 31 December 2026

David W S Eaton

University of Calgary


Member
01 January 2025 - 31 December 2026

Maureen D Long

Yale University


Member
01 January 2025 - 31 December 2026

David R Shelly

USGS Geologic Hazards Science Center


Member
01 January 2026 - 01 January 2028

Jeroen Tromp

Princeton University


Member
01 January 2026 - 01 January 2028

Edwin J Mierkiewicz

Embry-Riddle Aeronautical University


Chair
01 January 2023 - 01 January 2027

Phillip Charles Anderson

University of Texas at Dallas


Member
01 January 2026 - 01 January 2028

Volker Bothmer

University of Göttingen


Member
01 January 2023 - 31 December 2026

Judith T Karpen

NASA Goddard Space Flight Center


Member
01 January 2026 - 01 January 2028

Susan T Lepri

University of Michigan Ann Arbor


Member
01 January 2024 - 31 December 2026

Nour Rawafi


Member
01 January 2025 - 31 December 2026

Sarah K. Vines

Southwest Research Institute


Member
01 January 2026 - 01 January 2028

Victoria D Wilder

University of Texas at Arlington


Member
01 January 2023 - 01 January 2027

Peter E van Keken

Carnegie Institution for Science


Chair
01 January 2026 - 01 January 2030

Janne Blichert-Toft

Ecole Normale Superieure Lyon


Member
01 January 2024 - 01 January 2028

Philippe Henri Lognonné

Institut de Physique du Globe de Paris


Member
01 January 2026 - 01 January 2030

Nadia Lapusta

California Institute of Technology


Chair
01 January 2025 - 01 January 2027

Lisa Clare McNeill

University of Southampton


Chair
01 January 2025 - 01 January 2029

Thorsten W Becker

University of Texas at Austin


Member
01 January 2025 - 01 January 2027

Sun-Lin Chung

Academia Sinica


Member
01 January 2026 - 01 January 2028

Carolina R Lithgow-Bertelloni

University of California Los Angeles


Member
01 January 2026 - 01 January 2028

Demian M. Saffer

University of Texas at Austin


Member
01 January 2024 - 01 January 2027

Dennis Geist

Retired


Chair
01 January 2025 - 31 December 2028

Sally A Gibson

University of Cambridge


Member
01 January 2025 - 31 December 2028

Anita Grunder

Oregon State University


Member
01 January 2025 - 31 December 2028

Rebecca Ann Lange

University of Michigan Ann Arbor


Member
01 January 2023 - 31 December 2026

Frédéric Moynier

Institut de Physique du Globe de Paris


Member
01 January 2025 - 31 December 2028

Laurie C. Reisberg

CNRS


Member
01 January 2024 - 31 December 2027

Alberto Edgardo Saal

Brown University


Member
01 January 2023 - 31 December 2027