The quality of any scientific journal depends to a large extent upon the voluntary work done by reviewers. This important work is usually done in anonymity. Considering the time and effort that is put into reviewing, the Editorial Board of the Journal of Geodesy acknowledges this by publishing a list of reviewers. The list below gives the names of all known reviewers who provided reviewer reports in 2021. We thank you all.

Hussein Abd-Elmotaal

Surendra Adhikari

John Aggrey

Duncan Agnew

Jonas Agren

Kevin Ahlgren

Nahid Akhtar

Orhan Akyilmaz

Alberta Albertella

Reha Metin Alkan

Hamza Alkhatib

Francisco Amarillo Fernandez

Ole Andersen

Octavian Andrei

Vassilios Andritsanos

Andrzej Araszkiewicz

Donald Argus

Feza Arikan

Daniel Arnold

Penina Axelrad

Cuneyt Aydin

Francisco Azpilicueta

Sabine Bachmann

Mieczysław Bakuła

Simon Banville

Jean-Pierre Barriot

Riccardo Barzaghi

Tomislav Bašić

Santiago Belda

J. Benedek

Katrin Bentel

Ludovico Biagi

Rory Bingham

Sunil Bisnath

Christian Bizouard

Olivier Bock

Johannes Böhm

Sergei Bolotin

Machiel Bos

Andreas Brack

Sean Bruinsma

Sara Bruni

Aleksander Brzezinski

Blažej Bucha

Andres Calabia

Estel Cardellach

Charles Carrano

Slawomir Cellmer

Don Chambers

Wu-Lung Chang

Benjamin Fong Chao

Jianli Chen

Junping Chen

Wei Chen

Wen Chen

Yanling Chen

Kai-wei Chiang

Adam Ciećko

Sten Claessens

Peter Clarke

Oscar Colombo

Brian Corey

Michele Crosetto

Michael Croteau

Bingbo Cui

Rolf Dach

Wujiao Dai

Karol Dawidowicz

John Dawson

Carlo I. De Gaetani

Pascale Defraigne

Xiaoli Deng

Zhiguo Deng

Heiner Denker

Shailen Desai

Richard Deurloo

Balaji Devaraju

Gema-Maria DiazToca

Robert Dill

Hao Ding

Xiaoli Ding

Nam Dinh

Pavel Ditmar

Danan Dong

Bingbing Duan

Viet Duong

Maria Grazia D'Urso

Michael Eineder

Gunnar Elgered

Abdelsatar Elmezayen

Ahmed El-Mowafy

Andreas Engfeldt

Bihter Erol

Cornelia Eschelbach

Mehdi Eshagh

Gilad Even-Tzur

Reinhard Falk

Peng Fang

Xing Fang

William Featherstone

Yanming Feng

Luciana Fenoglio-Marc

Joana Fernandes

Ken Ferrier

Yuri Fialko

Mick Filmer

Claudia Flohrer

Ismael Foroughi

Rene Forsberg

Marco Fortunato

Olivier Francis

Willi Freeden

Jeff Freymueller

Adam Froń

Yuning Fu

Thomas Fuhrmann

Toshio Fukushima

Fan Gao

Andre Garcia Vieira de Sa

Maorong Ge

Yulong Ge

Alain Geiger

Jianghui Geng

Felipe Geremia-Nievinski

Christian Gerhards

Christian Gerlach

Reza Ghoddousi-Fard

John Gipson

Anastasiia Girdiuk

Marcus Glaner

Xiaopeng Gong

Guillermo González Casado

Franziska Göttl

Vassilios Grigoriadis

Richard Gross

Paul Groves

AiZhi Guo

Jinyun Guo

Rüdiger Haas

Tomasz Hadas

Bruce Haines

Keith Haines

Kerem Halicioglu

Guoqi Han

Shin-Chan Han

Craig Hancock

Corinna Harmening

Parham Hashemzadeh

Manabu Hashimoto

André Hauschild

Xiaoxing He

Robert Heinkelmann

Thomas Herring

Ralf Hielscher

Yuji Himematsu

Jacques Hinderer

Christian Hirt

Thomas Hobiger

Per Høeg

Evan Hoffman

Petr Holota

Christoph Holst

André Horbach

Li-ta Hsu

Guanwen Huang

Jianliang Huang

Mong Han Huang

Urs Hugentobler

Todd Humphreys

C. Hwang

Ryoya Ikuta

Pavel Inchin

Adrian Jaeggi

Janin Jäger

Norbert Jakowski

Wojciech Jarmołowski

Shahram Jazaeri

Tim E. Jensen

Weiping Jiang

Dev Joshi

Dah-Jing Jwo

Michal Kacmarik

Niko Kareinen

Boris Kargoll

Anton Kashcheyev

Georgia Katsigianni

Kamil Kazmierski

Gael Kermarrec

Tobias Kersten

Amir Khodabandeh

Mostafa Kiani

Motoyuki Kido

Matt A. King

Roland Klees

Grzegorz Kłopotek

Anna Klos

Thomas Knudsen

K.-R. Koch

Sebastian Koke

Sergei Kopeikin

Christopher Kotsakis

Yasuhiro Koyama

Hana Krasna

Corne Kreemer

Jan Krynski

Sergei Kurdubov

Hansjörg Kutterer

Andreas Kvas

Sebastien Lambert

John Langbein

Elżbieta Lasota

Denis Laurichesse

Lau Lawrence

Quoc Thong Le Gia

Ruediger Lehmann

Marie-Françoise Lequentrec-Lalancette

Bofeng Li

Jin Li

Min Li

Pan Li

Tao Li

Weiqiang Li

Xingxing Li

Zhiwei Li

Zishen Li

Lizhen Lian

Derek Lichti

Sui Lifen

Qing Liu

Yanxiong Liu

Zhizhao Liu

Tomasz Liwosz

Min-Hui Lo

Bryant Loomis

Xiaomin Luo

Daniel MacMillan

Zinovy Malkin

Benjamin Männel

Xinyuan Mao

Mauro Mariotti

Hilary Martens

Augusto Mazzoni

Lucia McCallum

Stelios Mertikas

Grzegorz Michalak

Feng Ming

Gregor Moeller

Oliver Montenbruck

Jean-Philippe Montillet

Mahdi Motagh

Samuel Nahmani

Robert Nerem

Hans-Berndt Neuner

Giovanni Nico

Arthur Niell

Thalia Nikolaidou

Tobias Nilsson

Sorin Nistor

Axel Nothnagel

Pavel Novak

Krzysztof Nowel

Grzegorz Nykiel

Dennis Odijk

Robert Odolinski

Sermet Ogutcu

Shuhei Okubo

Ove Christian Omang

Toshimichi Otsubo

Yuichi Otsuka

Roland Pail

Lin Pan

Nikolaos K. Pavlis

Jacek Paziewski

Antonio Pepe

Heike Peter

William Petrachenko

Alessio Pignalberi

Dimitrios Piretzidis

Martin Pitoňák

Rui Ponte

Daniel Potts

Dominik Prochniewicz

Fabricio Prol

Dimitrios Psychas

Giovanni Pugliano

Shubo Qiao

Lizhong Qu

Shaun Quegan

Michael Quellmalz

Mustafa Rabah

Antti Rasila

Jim Ray

Richard Ray

Diego Reale

Paul Rebischung

Mirko Reguzzoni

Roelof Rietbroek

Laurent Roblou

Umberto Robustelli

Fabio Rocca

Jose Rodriguez

Vinicius Rofatto

Markus Rothacher

Sam Royston

Axel Rülke

Zofia Rzepecka

Pierre Sakic

David Salstein

Daniele Sampietro

Laura Sanchez

Dogan Sanli

Fernando Sanso

Alvaro Santamaría-Gómez

Giorgio Savastano

Stefan Schaer

Matthias Schartner

Mirko Scheinert

Matthias Scherer

Florian Schill

Michael Schlund

Michael Schmidt

Naomi Schneider

Steffen Schön

Ulrich Schreiber

Wolf-Dieter Schuh

Fabio Sciarrino

Maximilian Semmling

Ki-Weon Seo

Rashmi Shah

Endrit Shehaj

WenBin Shen

Yunzhong Shen

Junbo Shi

Fengchun Shu

Anthony Sibthorpe

Francesco Sica

Rafal Sieradzki

Gampala Sivavaraprasad

Uwe Soergel

Benedikt Soja

Nadia Sokolova

Shuli Song

Krzysztof Sosnica

Tim Springer

Michal Šprlák

Rebekka Steffen

Peter Steigenberger

Katarzyna Stępniak

Gabriel Strykowski

Alexander Sun

Jing Sun

Wayan Suparta

Yoshiyuki Tanaka

Longjiang Tang

Natthachet Tangdamrongsub

Felix Norman Teferle

João Teixeira da Encarnacao

Robert Tenzer

Peter Teunissen

Dariusz Tomaszewski

Dimitrios Tsoulis

Ilias Tziavos

Pavel Vaclavovic

Jose van den IJssel

Wouter van der Wal

Derek van Westrum

Sudha Vana

Matej Varga

Georgios Vergos

Sandra Verhagen

Arturo Villiger

Pieter Visser

Luca Vittuari

Jan Vondrak

Guangli Wang

Jianguo Wang

Jinling Wang

Jungang Wang

Kan Wang

Kang Wang

Ningbo Wang

Rongjiang Wang

Teng Wang

Yan Ming Wang

Yu Wang

Lambert Wanninger

Gilles Wautelet

Robert Weber

Lianhuan Wei

S. Werth

Karina Wilgan

Martin Willberg

Simon Williams

Yihao Wu

Yan Xiang

Guorui Xiao

Peiliang Xu

Xueqing Xu

Ling Yang

Zhe Yang

Yuanxi Yang

Fei Ye

Shirong Ye

Cemal Ozer Yigit

Yusuke Yokota

Yoke Yoon

Chen Yu

Jinhai Yu

Peng Yuan

Yunbin Yuan

Safoora Zaminpardaz

Baocheng Zhang

Hongxing Zhang

Xiaohong Zhang

Xinggang Zhang

Yize Zhang

Zhetao Zhang

Bin Zhao

Qile Zhao

Fu Zheng

Jiahao Zhong

Feng Zhou

Jianjun Zhu

Shanshi Zhou

Yonghong Zhou

Zebo Zhou

Leonid Zotov

Florian Zus

We apologize for any errors or inadvertent omissions.