Union Fellows Program
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Review Process

  • 3 January: Union Fellows program nomination period opens
  • 27 March: Union Fellows program nomination period closes
  • 2 April – 14  May: Section Fellows Review Committees reviewing nominations
  • 23 May: Section Fellows Review Committee recommendation reports due
  • 30 May – 3 July: Union Fellows Committee reviewing nominations forwarded by the Section Fellows Committees
  • 10 July: Union Fellows Committee meets (virtually) to discuss initial rankings 
  • 30 July - 31 July: Union Fellows Committee meets (virtually) to finalize the 2025 Class of Fellows
  • TBD September: 2025 Class of Fellows announced 
  • 17 December: AGU Honors Ceremony at AGU25 
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 2024 - 31 December 2025

Nandita B Basu

University of Waterloo


Vice Chair
01 January 2024 - 31 December 2025

Fabio Florindo

National Institute of Geophysics and Volcanology


Member
01 January 2024 - 31 December 2025

Natalya A Gomez

McGill University


Member
01 January 2024 - 31 December 2025

Peter B Kelemen

Columbia University


Member
01 January 2024 - 31 December 2025

Martha Ellen Maiden

Self-Employed


Member
01 January 2024 - 31 December 2025

Carl I Steefel

Lawrence Berkeley National Laboratory


Member
01 January 2024 - 31 December 2025

Aradhna Tripati

University of California Los Angeles


Member
01 January 2024 - 31 December 2025

Rong Zhang

NOAA Geophysical Fluid Dynamics Laboratory


Member
01 January 2024 - 31 December 2025

David Smith

University of California Santa Cruz


Chair
01 January 2025 - 01 January 2027

Joseph R Dwyer

University of New Hampshire Main Campus


Member
26 April 2024 - 31 December 2025

Ute Ebert

Organization Not Listed


Member
01 January 2023 - 01 January 2026

Yunjiao Pu

Duke University


Member
26 April 2024 - 31 December 2025

Jacquelyn Ringhausen

Advanced Environmental Monitoring (AEM)/Earth Networks


Member
01 January 2025 - 01 January 2026

Oscar A Van Der Velde

Universitat Politecnica de Catalunya


Member
01 January 2025 - 01 January 2026

Andrew Gettelman

Pacific Northwest National Laboratory


Chair
01 January 2025 - 31 December 2026

Steven S Brown

NOAA Boulder


Member
01 January 2023 - 31 December 2025

Annmarie G Carlton

University of California Irvine


Member
01 January 2025 - 31 December 2026

William Drew Collins

Lawrence Berkeley National Laboratory


Member
01 January 2024 - 31 December 2026

Benjamin Kirtman

University of Miami


Member
01 January 2025 - 31 December 2026

Sonia M Kreidenweis

Colorado State University Fort Collins


Member
01 January 2023 - 31 December 2025

Sukyoung Lee

Organization Not Listed


Member
01 January 2025 - 31 December 2026

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

Steven D Allison

University of California Irvine


Member
01 January 2023 - 31 December 2025

Emily M. Elliott

University of Pittsburgh


Member
01 January 2023 - 31 December 2025

Jennifer B Glass

Georgia Institute of Technology


Member
01 January 2023 - 31 December 2025

Richard P Phillips

Indiana University Bloomington


Member
01 January 2025 - 31 December 2026

Edward Schuur

Northern Arizona University


Member
01 January 2025 - 31 December 2026

Merritt R Turetsky

University of Colorado Boulder


Member
01 January 2022 - 31 December 2025

Sarah Esenther

Brown University


Member
01 January 2024 - 31 December 2025

Matthew Siegfried

Colorado School of Mines


Member
01 January 2024 - 31 December 2025

Eric Kirby

University of North Carolina at Chapel Hill


Chair
02 January 2025 - 31 December 2026

Sergio Fagherazzi

Boston University


Member
01 January 2024 - 31 December 2025

Sergio Fagherazzi

Boston University


Member
01 January 2025 - 31 December 2026

Marwan Hassan

University of British Columbia


Member
01 January 2024 - 31 December 2025

Marwan Hassan

University of British Columbia


Member
01 January 2025 - 31 December 2026

Katharine Huntington

University of Washington


Member
01 January 2025 - 31 December 2026

Eric Kirby

University of North Carolina at Chapel Hill


Member
25 April 2024 - 31 December 2025

Brian J Yanites

Indiana University Bloomington


Member
01 January 2025 - 31 December 2026

No current committee members were found.


Anne Socquet

ISTerre Institute of Earth Sciences


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

ISTerre Institute of Earth Sciences


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 Egbert

Professor, College of Oceanic and Atmospheric Sciences, Oregon State University, United States


Member
01 January 2025 - 31 December 2026

Kenneth P Kodama

Lehigh University


Member
01 January 2025 - 31 December 2026

Vijay P. Singh

Texas A&M University College Station


Member
24 April 2024 - 31 December 2025

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

Christine Kirkpatrick


Chair
01 January 2023 - 31 December 2025

Binita KC

NASA Goddard Space Flight Center


Member
01 January 2024 - 31 December 2025

Nagendra Singh

Oak Ridge National Laboratory


Member
01 January 2024 - 31 December 2025

Marie Violay

EPFL Swiss Federal Institute of Technology Lausanne


Chair
01 January 2025 - 31 December 2026

Carl B Agee

University of New Mexico Main Campus


Member
01 January 2025 - 31 December 2026

Shun-ichiro Karato

Yale University


Member
01 January 2025 - 31 December 2026

Bijaya B Karki

Louisiana State University


Member
01 January 2025 - 31 December 2026

Guido Cervone

Pennsylvania State University Main Campus


Chair
01 January 2025 - 31 December 2026

Suzana J J. Camargo

Columbia University


Member
01 January 2025 - 31 December 2026

Kam-Biu Liu

Louisiana State University


Member
01 January 2025 - 31 December 2026

Son V Nghiem

NASA Jet Propulsion Laboratory


Member
01 January 2025 - 31 December 2026

No current committee members were found.


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

Jacob O Wenegrat

University of Maryland College Park


Member
01 January 2025 - 31 December 2026

Charles H Greene

University of Washington Seattle


Chair
01 January 2025 - 01 January 2027

Andy Ridgwell

University of California Riverside


Chair
01 January 2024 - 31 December 2025

Isla Castaneda


Member
01 January 2025 - 01 January 2027

Eric J. Steig

University of Washington Seattle


Member
22 April 2024 - 31 December 2025

Cathy L. Whitlock

Montana State University


Member
01 January 2025 - 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

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

No current committee members were found.


Brandon Schmandt

Rice University


Chair
01 January 2025 - 31 December 2026

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

KUOFONG MA

Taiwan Earthquake Research Center


Member
01 January 2025 - 31 December 2026

Susan Y Schwartz

University of California Santa Cruz


Member
01 January 2024 - 31 December 2025

Edwin J Mierkiewicz

Embry-Riddle Aeronautical University


Chair
01 January 2025 - 31 December 2026

Volker Bothmer

University of Göttingen


Member
01 January 2023 - 31 December 2025

Susan T Lepri

University of Michigan Ann Arbor


Member
01 January 2024 - 31 December 2025

Jens Oberheide

Clemson University


Member
01 January 2023 - 31 December 2025

Nicholas M Pedatella

National Center for Atmospheric Research


Member
01 January 2023 - 31 December 2025

Nour Rawafi


Member
01 January 2025 - 31 December 2025

Frederick D Wilder

University of Texas at Arlington


Member
01 January 2024 - 01 January 2026

Victoria D Wilder

University of Texas at Arlington


Member
31 March 2025 - 31 December 2025

Kei Hirose

The University of Tokyo


Chair
01 January 2023 - 31 December 2025

Janne Blichert-Toft

Ecole Normale Superieure Lyon


Member
01 January 2024 - 31 December 2025

Paul Tackley


Member
01 January 2023 - 31 December 2025

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

Takehiro Hirose

JAMSTEC Japan Agency for Marine-Earth Science and Technology


Member
01 January 2024 - 01 January 2026

Demian M. Saffer

University of Texas at Austin


Member
01 January 2024 - 01 January 2026

Andrea Tommasi

University of Montpellier


Member
01 January 2024 - 01 January 2026

Dennis Geist

Retired


Chair
01 January 2025 - 31 December 2028

Josef Dufek

University of Oregon


Member
01 January 2023 - 01 January 2026

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

Yigang Xu

Guangzhou Institute of Geochemistry, Chinese Academy of Sciences


Member
01 January 2023 - 01 January 2026