Please join us in thanking all those scientists and experts in the various fields represented in Transport in Porous Media for devoting time and effort to review the papers that we have been sending them. The Editor-in-Chief and Publisher acknowledge the colleagues listed below for their excellent reviews of papers for which final decisions have been made during the period January 2020–December 2020.

Ali Abedini

Pierre Adler

Nasre-Dine Ahfir

Takashi Akai

Lateef Akanji

Saeed M. Alhassan

Hafiz M. Ali

Nisar Ali

Salam Al-Rbeawi

Ammar Alsabery

Vladimir Alvarado

Leonardo Alves

Nayef Alyafei

Pål Andersen

Isaac Lare Animasaun

T. Arbogast

Luis Fernando Arenas

Ryan Armstrong

Christoph Arns

Roohollah Askari

Harold Auradou

J. L. Auriault

Stavros Avramidis

Orhan Aydin

Oluropo Ayodele

Masoud Babaei

Sahar Bakhshian

Matthew Balhoff

Maria Claudia Barbosa

Gerald Bardan

Liliane Barichello

Antonio Barletta

Bita Bayestehparvin

Ahmat Baytas

Sid Becker

Lauren E. Beckingham

Pavel Bedrikovetsky

Ahmed Benamar

David Benavente

David Benson

Steffen Berg

Inga Berre

Henri Bertin

Francois Bertrand

Muhammad Mubashir Bhatti

Katia Bicalho

Branko Bijeljic

Edo Boek

Sebastian Bosma

Claude Boutin

Carina Bringedal

Chunpei Cai

Jianchao Cai

Peilin Cao

Pavel Capek

Michele Celli

Nirjhor Chakraborty

Chun Chang

Robert Chapuis

Pradipta Chattopadhyay

Dong Chen

Jui-Sheng Chen

Li Chen

Mingjun Chen

Sidian Chen

Xiangjun Chen

Yu Chen

Zhou Chen

Charles Choens

Constantinos Chrysikopoulos

Tingxiang Chu

Yildiray Cinar

Emilio Cirillo

Faruk Civan

Andres Clarens

Holger Class

Thibaut Colinart

Freeman Cook

Clay Cooper

Gary Couples

Patrice Creux

Christopher C. Daniels

Prabir Daripa

Hassan Dashtian

A.B.N. Dassanayake

Afshin Davarpanah

Catherine A. Davy

Gerald Debenest

Hassan Dehghanpour

Morteza Dejam

Hang Deng

Vittorio Di Federico

David DiCarlo

Georg Dietze

Thomas Driesner

Yujing Du

Zhimin Du

Lorena Dutra

Paul Egan

Selcuk Erol

Soheil Esmaeilzadeh

Barbara Esteves

Benjamin Evans

Marwan Fahs

Paolo Falsaperla

Mohammad Ferdows

James Fink

Reinhard Fink

Abbas Firoozabadi

Bernd Flemisch

Brendan Florio

M. R. Flynn

Claudio Gallo

Yixiang Gan

Mostafa Ganjeh-Ghazvini

Jiajia Gao

Bo Gao

Sebastian Geiger

Maurizio Gentile

Kirill Gerke

Behzad Ghanbarian

Ionel Dumitrel Ghiba

Nima Gholizadeh-Doonechaly

Andrea Giacobbe

Muhammad Gibrata

Mauro Giudici

M. A. Glaus

Paul Glover

Bin Gong

Mofid Gorji-Bandpy

Paul Grassia

Christopher Green

Herve Gross

Bo Guo

Shatha Haddad

L. Hadji

Izabela Hager

Hadi Hajibeygi

Christopher Hall

Glenn Hammond

Alex Hansen

Scott Hansen

Akil Harfash

David Hart

Amirhossein Hassani

Hassan Hassanzadeh

Yousef Heider

Johan Olav Helland

Rainer Helmig

Paulo Herrera

Silvia Hirata

Seyyed Abolfazl Hosseini

Gordon Huang

Po-Wei Huang

Christian Huber

Patrick Huber

David Hyman

P. E. G. Idahosa

Ken Ikeda

Saman Ilankoon

Olaf Ippisch

Sergey Ishutov

Arne Jacob

Antoine Jacquey

Martijn T. G. Janssen

Farzam Javadpour

O. E. Jensen

Kristian Jessen

Birendra Jha

Jiamin Jiang

Zeyun Jiang

Peixue Jiang

Guangqiu Jin

Zhihe Jin

Andrey Jivkov

Russ Johns

Mohamed Soufiane Jouini

Yang Ju

Lu Jun

Gheorghe Juncu

C. Kanchana

Apostolos Kantzas

Eirik Keilegavlen

Michel Kern

Amir Keshmiri

Hamed Ketabchi

Khalil Khanafer

Abdolreza Kharaghani

Jamal Khatib

Azizollah Khormali

Albert Kim

Mike King

Ekaterina Kolchanova

Xiangguo Kong

Isaac Kornhauser

Georg Kosakowski

Volodymyr Kovalchuk

A. Kovscek

Satish Kumar

Jukka Kuva

Alexandre Lavrov

Veronique Lazarus

Marek Lefik

Christoper Leonardi

Ivan L'Heureux

Biao Li

Chenfeng Li

Ling Li

Qi Li

Shugang Li

Shuiquan Li

Jianwen Liang

Yingjie Liang

Knut–Andreas Lie

Chengyan Lin

Wei Lin

Wenjuan Lin

Bowen Ling

Gaute Linga

Qingquan Liu

Gaofeng Liu

Guodong Liu

Qihan Liu

Shimin Liu

Tongjing Liu

J. Liu

Jingsheng Ma

Irfan Magami

Daulet Magzymov

Hassan Mahani

Nadeem Malik

Oronzio Manca

Manuel Marcoux

Edgar Giovani Martínez Mendoza

Naoki Matsunaga

G. Peter Matthews

Maciej Matyka

Ramakanta Meher

Yashar Mehmani

Ayaz Mehmani

J. H. Merkin

Cass Miller

Abouzar Mirzaei-Paiaman

Manoranjan Mishra

Vladimir Mityushev

Moghtada Mobedi

Andres Moctezuma Berthier

Ali Moghadam

K. K. Mohanty

Behzad Mohebbi

Alexandru Morega

Andreas Mortensen

Peyman Mostaghimi

Valeri Mourzenko

Maruti Mudunuru

A. Muggeridge

Tapan Mukerji

Muhammad Muniruzzaman

Prabhala Murthy

Marie Christine Neel

Chelsea Neil

Insa Neuweiler

Hamid Nick

Seth Nickerson

Jennifer Niessner

Fangya Niu

Benoit Noetinger

Jonas Kristiansen Nøland

Franklin Orr

Shlomo Orr

Mohamed Najib Ouarzazi

Tannaz Pak

Grigory Panasenko

Leonid Pankratov

Rich Parashar

J. Y. Parlange

Aliaksei Pazdniakou

Shoujian Peng

Xiaolong Peng

Patrick Perré

Camille Perrot

Paulo Philippi

Jyoti Phirani

Lorenzo Pisani

Giovanni Porta

Prakash Purswani

Alexandre Puyguiraud

Jiazhong Qian

Beatriz Quintal

Arash Rabbani

Rajagopal Raghavan

D. Andrew S. Rees

Andre Revil

Masoud Riazi

Béatrice Rivière

Marianito Rodrigo

Alírio Egídio Rodrigues

Antonio Rodríguez de Castro

Guan Rong

William Rossen

Pascale Royer

Dale Rucker

Iryna Rybak

Maarten Saaltink

Amin Sadeghi

Oxana V. Sadovskaya

Ahmad Sakhaee-Pour

Amgad Salama

Trifce Sandev

Guijie Sang

Paul-Antoine Santoni

Onorio Saro

Stefan Scheiner

Josephina Schembre-McCabe

Lynn Schreyer

Volker Schulz

Lev Schur

Michael Shapiro

Weijun Shen

Adrian Sheppard

Mikhail Sheremet

Igor Shevchuk

Igor Shikhov

Mohammad Javad Shojaei

C. Siddabasappa

Kamaljit Singh

Anugrah Singh

S. M. Skjaeveland

Khalifa Slimi

Wojciech Sobieski

Insun Song

Weng Song

Shuaibing Song

Zhu Song

K. S. Sorbie

Cyprien Soulaine

Helio Pedro Souto

Krishnaraj Srinivasamoorthy

Carl I. Steefel

Emily Stein

Brian Straughan

Ninghu Su

Shankar Subramaniam

Sauro Succi

Pengtao Sun

Sergey Suslov

Anna Suzuki

Matthew Sweeney

Adam Szymkiewicz

Hooman Tafreshi

Pejman Tahmasebi

Laurent Talon

Guihua Tang

Shu Tao

Alexandre Tartakovsky

Miral Tawfik

Aleksey Telyakovskiy

Jean-François Thovert

Martin Thullner

Ramakrishna Tipireddy

Giovanna Tomaiuolo

Mohsen Torabi

Paolo Trinchero

Japan Trivedi

George Tsypkin

Peder A. Tyvand

P. Vadasz

Francisco Valdes-Parada

Joris Van Acker

Clément Varloteaux

Pedro Vayssière Brandão

Dominic Vella

P. Viotti

Hai Vo

Anatoliy Vorobev

Denis Voskov

Futong Wang

Jianguo Wang

Moran Wang

Zhechao Wang

C. Y. Wang

Jerome Wassermann

Shingo Watanabe

Francesca Watson

Antoine Wautier

Adam Weber

Jiangping Wei

Wei Wei

Nathan Welch

Xian-Huan Wen

Joshua White

Thomas Wick

Paul Willhite

Martin Wörner

Rui Wu

Muming Xia

Boya Xiong

Qingrong Xiong

Ke Xu

Qiang Xu

Weiya Xu

Ruina Xu

Benyamin Yadali Jamaloei

Dhananjay Yadav

Guang Yang

Xiaofan Yang

Yongfei Yang

Duo-Xing Yang

Junpin Yao

Y. C. Yortsos

Amin Zarandi

Cun Zhang

Miao Zhang

Yanbin Zhang

Yihuai Zhang

Zhien Zhang

Zhihong Zhao

Jianlin Zhao

Yixin Zhao

Pei Zheng

Dengen Zhou

Renjie Zhou

Robert Zimmerman

Mingjun Zou