In addition to our board members' contributions, International Organization gratefully acknowledges the assistance of the following reviewers in 2021:
Kenneth Abbott
Aala Abdelgadir
Max Abrahms
Scott Abramson
Avidit Acharya
Vinod Aggarwal
Michaël Aklin
Deniz Aksoy
Todd Allee
Karen Alter
Dan Altman
Benjamin Appel
Vincent Arel-Bundock
Celeste Arrington
Aysegul Aydin
Leonardo Baccini
Laia Balcells
Cameron Ballard-Rosa
Navin Bapat
Joan Barcelo
Henrikas Bartusevičius
Muhammet Bas
A. Burcu Bayram
Katherine Beall
David Bearce
Kyle Beardsley
Quintin Beazer
Mark Bell
Andrew Bennett
Tarald Berge
Thomas Bernauer
Timm Betz
James Bisbee
Christopher Blair
Robert Blair
Mark Blyth
Clifford Bob
Tanja Börzel
Carles Boix
Erica Borghard
Deborah Boucoyannis
Vincenzo Bove
Jeremy Bowles
Jordan Branch
Caroline Brandt
Bear Braumoeller
Jori Breslawski
Risa Brooks
Ryan Brutger
Ethan Bueno de Mesquita
Jonas Bunte
Brian Burgoon
Marc Busch
Sarah Bush
Tim Buthe
Zoltán Búzás
Xun Cao
Madeline Carr
Clifford Carrubba
Austin Carson
David Carter
Charlotte Cavaille
Jonathan Caverley
Thomas Chadefaux
Terrence Chapman
Suparna Chaudhry
Stephen Chaudoin
Jeffrey Checkel
Chong Chen
Adam Chilton
Giacomo Chiozza
Jeffrey Chwieroth
Richard Clark
Andrew Coe
Bridget Coggins
Dara Cohen
Jeff Colgan
Audrey Comstock
Courtenay Conrad
Alexander Cooley
Kevin Cope
Mark Copelovitch
Julia Costa Lopez
Gary Cox
Charles Crabtree
Neta Crawford
Cosette Creamer
Araceli Cruz
David Cunningham
Allan Dafoe
Xinyuan Dai
Sarah Daly
Niheer Dasandi
Christina Davis
Anjali Dayal
Benjamin de Carvalho
Catherine de Vries
Alexandre Debs
Lisa Dellmuth
Benjamin Denison
Raj Desai
Bruce Desmarais
Elizabeth DeSombre
Jessica Di Salvatore
Janina Dill
Elias Dinas
Mark Dincecco
Kim Yi Dionne
Daniela Donno
Han Dorussen
Tiberiu Dragu
Daniel Drezner
Jesse Driscoll
Steffen Eckhard
David Edelstein
Sean Ehrlich
Mette Eilstrup-Sangiovanni
Kristin Fabbe
Henry Farrell
Michael Findley
Daniel Finke
Joshua Fjelstul
Thomas Flaherty
Benjamin Fordham
Vasiliki Fouka
Robert Franzese
Andreas Fuchs
Matthew Fuhrmann
Nikhar Gaikwad
Jacque Gao
Francisco Garfias
Michelle Garfinkel
Ana Garriga
Micha Germann
Alexandra Gheciu
Douglas Gibler
Fabrizio Gilardi
Andrea Gilli
Stacie Goddard
Hein Goemans
James Goldgeier
Sara Goodman
Erin Graham
Julia Gray
Brian Greenhill
Sheena Greitens
Ryan Griffiths
Arman Grigoryan
Guy Grossman
Eric Grynaviski
Jennifer Hadden
Hyeonho Hahm
Rodney Hall
Michael Harsch
Barry Hashimoto
Ron Hassner
Darren Hawkins
Kyle Haynes
Thomas Hegghammer
Håvard Hegre
Timothy Hellwig
C. Randall Henning
Paul Hensel
Richard Herrmann
Courtney Hillebrecht
Florian Hollenbach
James Hollyer
Marcus Holmes
Daniel Honig
Michael Horowitz
Lise Howard
Reyko Huang
Xiaoming Huang
Connor Huff
Simon Hug
Victoria Tin-bor Hui
Lisa Hultman
Ian Hurd
Emma Hutchison
Jacques Hymans
Kosuke Imai
Ann-Sofie Isaksson
Nathan Jensen
Hyeran Jo
Leslie Johns
Jesse Johnson
Tana Johnson
Tyler Jost
Sebastian Juhl
Danielle Jung
Joseph Jupille
Michelle Jurkovich
Miles Kahler
Yael Kaplan
Sabrina Karim
David Karol
R. Daniel Kelemen
Amanda Kennard
Alexander Kentikelenis
Christopher Kilby
Diana Kim
Soo Yeon Kim
Sung Eun Kim
Brandon Kinne
Helen Kinsella
Katja Kleinberg
Michael Koch
Daniel Kono
Nikitas Konstantinidis
Barbara Koremenos
Markus Kornprobst
Nadiya Kostyuk
Daniel Krcmaric
Anne-Kathrin Kreft
Douglas Kriner
Matthew Kroenig
Jeffrey Kucik
Shuhei Kurizaki
Alexander Kustov
Andrew Kydd
Roger Lagunoff
Milli Lake
Ranjit Lall
Marika Landau-Wells
Deborah Larson
George Lawson
David Leblang
James H. Lebovic
Alexander Lee
Melissa Lee
David Lektzian
Brad LeVeck
Gabriella Levy
Jack Levy
Quan Li
Xiaojun Li
Jon Lindsay
Erik Lin-Greenberg
Katerina Linos
Lukas Linsi
Phillip Lipscy
Andrew Little
Cyanne Loyle
Xiaobo Lu
Yonatan Lupu
Marc Lynch
Paul MacDonald
Edmund Malesky
Matt Malis
Iris Malone
Mark Manger
Giovanni Mantilla
Yotam Margalit
Max Margulies
Nikolay Marinov
Gary Marks
Carla Martinez Machain
Aila Matanock
Michaela Mattes
Noel Maurer
Rose McDermott
Patrick McDonald
Elena McLean
Roseanne McManus
Kathleen McNamara
James Meernik
Nils Metternich
Anna Meyerrose
Christoph Mikulaschek
Karolina Milewicz
Michael Miller
Nicholas Miller
Tamar Mitts
Alexander Montgomery
Andrew Moravcsik
James Morrow
Amanda Murdie
Robert Musgrave
Rachel Myrick
Gautam Nair
Vipin Narang
Daniel Naurin
Dani Nedal
Abraham Newman
Daniel Nexon
Daniel Nielson
Irfan Nooruddin
Carla Norrlof
Fernando Nuñez-Mietz
Kazuhiro Obayashi
Michal Onderco
Barry O'Neill
Lindsey O'Rourke
Iain Osgood
Christopher Paik
Jack Paine
Sonal Pandya
Diana Panke
Saurabh Pant
Johann Park
Craig Parsons
Wendy Pearlman
Margaret Pearson
Clint Peinhardt
Krzysztof Pelc
Margaret Peters
Timothy Peterson
Andrew Phillips
Paul Poast
Mark Pollack
Amy Pond
Niklas Potrafke
Philip Potter
Lauge Poulsen
Emilia Powell
Kathleen Powers
Michael Poznansky
Lauren Prather
Tyler Pratt
Tonya Putnam
Kai Quek
Didac Queralt
Kristopher Ramsay
Brian Rathbun
Kal Raustiala
Bernhard Reinsberg
Dan Reiter
Jonathan Renshon
Paula Rettl
Emily Ritter
Margaret Roberts
Vinícius Rodrigues Vieira
Philip Roessler
Stephen Rosen
Or Rosenboim
Michael Ross
Sam Rowan
Andrea Ruggeri
Scott Sagan
Stephen Saideman
Nicholas Sambanis
Rebecca Sanders
Wayne Sandholtz
Anne Sartori
Burcu Savun
Frank Schimmelfennig
Henning Schmidtke
Keith Schnakenberg
Gerald Schneider
Jan Aart Scholte
Cheryl Schonhardt-Bailey
Madison Schramm
Robert Schub
Livia Schubiger
Joshua Schwartz
Jack Seddon
Emily Sellars
Ole-Jacob Sending
Jason Sharman
Joshua Shifrinson
Adrian Shin
David Singer
Laura Sjoberg
Jonathan Slapin
Alastair Smith
Duncan Snidal
Thomas Sommerer
Theresa Squatrito
Jessica Stanton
Jeffrey Staton
David Steinberg
Megan Stewart
Øyvind Stiansen
Anton Strezhnev
Sarah Stroup
Clara Suong
Rachel Sweet
Yuhki Tajima
Caitlin Talmadge
Seiki Tanaka
Nina Tannenwald
Ahmer Tarar
Rochelle Terman
Andrey Tomashevskiy
Michael Tomz
Robert Trager
Rory Truex
Joshua Tucker
Felicity Vabulas
Benjamin Valentino
Brandon Valeriano
Jane Vaynman
David Victor
Inken von Borzyskowski
Jana von Stein
Elsa Voytas
Geoffrey Wallace
Jeremy Wallace
Steven Ward
Timothy Warren
Catherine Weaver
Michael Weintraub
Alex Weisiger
Oliver Westerwinter
Stephen Weymouth
Wesley Widmaier
Tore Wig
Paul Williams
Scott Wolford
Wendy Wong
Byungwon Woo
Carmen Wunderlich
Brandon Yoder
Amy Yuen
Thomas Zeitzoff
Baobao Zhang
Boliang Zhu
Yuri Zhukov
Michael Zürn