Acknowledgment to Reviewers of Algorithms in 2021

Rigorous peer-reviews are the basis of high-quality academic publishing. Thanks to the great efforts of our reviewers, Algorithms was able to maintain its standards for the high quality of its published papers. Thanks to the contribution of our reviewers, in 2021, the median time to first decision was 15 days and the median time to publication was 35 days. The editors would like to extend their gratitude and recognition to the following re-viewers for their precious time and dedication, regardless of whether the papers they re-viewed were finally published:

Abdelkader Ouali	Kyung-Yong Chung
Abu Asaduzzaman	Lars Rohwedder
Adam Kolkiewicz	László Juhász
Adriana Burlea-Schiopoiu	Laura Pierucci
Ágnes Vathy-Fogarassy	Laurens Muter
Ahmed Mostafa	Laurent Dewasme
Albina Orlando	Laurent Donzé
Aleksandar Erceg	Lenwood S. Heath
Aleksander Król	Leonardo Rundo
Aleksandr Rakhmangulov	Linas Petkevičius
Alessandro Fedeli	Lino De Oliveira Santos
Alessio Martino	Liqing Zhang
Alexander Schaum	Lorenzo Salas-Morera
Alexandros Tzanetos	Luc Jaulin
Alexandru Banica	Luigi Aldieri
Alfonsas Misevicius	Luís Cavique
Ali Wagdy Mohamed	Luis N. López De Lacalle
Alok Mishra	Luiz S. Martins-Filho
Alwin Poulose	Łukasz Knypiński
Amir Mosavi	Magdalena Wyrwicka
Andras Farago	Mahdi Rezapour
André Bigand	Mahmoud Elbattah
Andrea Colagrossi	Mahmoud El-Morshedy
Andrea Serani	Manuel Lafond
Andrea Tangherloni	Manuel Martinez
Andreas Beham	Marc Juarez
Andreas Bück	Marcelo De Carvalho Alves
Andreas Kanavos	Marcelo Kaminski Lenzi
Andreas Keler	Marco Antonio Amaral
Andreas Schreiber	Marco Gavanelli
Andrej Sarjas	Marco Jose
Andries Engelbrecht	Marcus Gallagher
Andrzej Gnatowski	Marde Helbig
Andrzej Kasperski	Maria Evelina Mognaschi
Andrzej Pacana	María Isabel Parra Arévalo
Anna Borucka	María J. Fuente
Annunziata Esposito Amideo	Marian Wysocki
Anthony G. Constantinides	Mário Basto
Anthony Rossiter	Mario Brcic
Antonella Falini	Mario Marinelli
Antonello Rosato	Mário Véstias
Antonio De Leon Rodriguez	Mariusz Topolski
Antonio Jiménez-Martín	Mariusz Uchroński
António Miguel Rosado Da Cruz	Mark Kelbert
Arlindo Silva	Marko Horvat
Arnadi Murtiyoso	Markus Rabe
Arne Johannssen	Martin Kenyeres
Arseny Shur	Masaki Ogura
Artem Metlin	Mateus Mendes
Artur Jeż	Matija Perne
Ashok Kumar Patil	Mauricio A. Sanchez
Atanaska Georgieva	Mau-Tsuen Yang
Atefeh Hajijamali Arani	Max Bannach
Athanasios Tsadiras	Mehdi Ghayoumi
Audrius Banaitis	Mehdi Neshat
Aurélien Arnaubec	Mehdi Salimi
Baoye Song	Meirav Zehavi
Bariscan Yonel	Miao Ling Wang
Bartosz Sawik	Michal Jasinski
Basarab Matei	Michal Kvet
Begoña Guirao	Michele Coscia
Bhogendra Mishra	Michele Leonardo Bianchi
Binhai Zhu	Miha Ravber
Birgitta Dresp-Langley	Mihaela Hnatiu
Boris Aberšek	Mikhail Oet
Bruce Ndibanje	Mikhail Tarkov
Byung-Hoon Kim	Miklós Krész
Cagatay Iris	Mikołaj Karpiński
Calogero Vetro	Minas Dasygenis
Carlo Meloni	Mingchang Chih
Carmelo Majorana	Ming-Xing Luo
Chaman Verma	Miriam Leeser
Chih-Peng Fan	Mitica Craus
Christian Bongiorno	M.L. Puertas
Christoph Waibel	Mohamed A. A. Ismail
Christophe Chesneau	Mohammad Ali Nilforooshan
Christopher John Price	Mohammad Ashrafuzzaman
Christopher Martin Van Bommel	Mohammad Bagher Dowlatshahi
Christopher W. Cleghorn	Mohammad Jafari
Christopher Zimmer	Mohd Nor Akmal Khalid
Christos Makris	Mohiuddin Ahmed
Christos S. Antonopoulos	Mohsen Rezvani
Chrysafis Vogiatzis	Monge Marco Antonio Sotelo
Chung-Ping Chang	Monica Berrondo
Claudia Marzi	Mostafa Mjahed
Costas Vassilakis	Muhammad Fahad Zia
Cristian Lucian Stanciu	Muhammad Shafiq
Cristian Mihaescu	Muhammad Syafrudin
Cristian P. Lungu	Mustafa Sarimollaoglu
Cristina Martín Doñate	Muzaffar Rao
Cristina Requejo	Nadia El-Mabrouk
Dallan Byrne	Nagham Saeed
Daming Zhu	Naomitsu Urasaki
Dana-Mihaela Petroșanu	Naveed Ahmed Azam
Danica Rosinová	Nguyen Quoc Khanh Le
Daniel Rohacs	Nhat Ho
Daniela Briola	Nick Bassiliades
Daniele Frigioni	Nick Pitropakis
Daniel-Ioan Curiac	Nikola Gradojevic
Danilo Medeiros Eler	Nikola Poljak
Daniyal Haider	Nikolai Krivulin
Darío Garigliotti	Nodari Vakhania
Dariusz Horla	Oliviero Carugo
Darren A. Narayan	Omar Darwish
Davi Viana	Otoniel Mario López Granado
David Allouche	Ovidiu Cosma
David Lai	Panagiotis D. Michailidis
David Luengo	Paolo Mercorelli
David Sankoff	Patricia Evans
Davide Bilò	Patricia Takako Endo
Davide Fioriti	Patricio Domingues
Dawid Polap	Patrick McClure
Denis Delisle Rodriguez	Paul Farago
Diego Romano	Paulo Ferreira
Dilip K. Prasad	Paweł Jabłoński
Dimosthenis Kifokeris	Paweł Weichbroth
Diogo Poças	Pedro Gómez
Dmitry Bankov	Per Håkan Lundow
Dmitry Kosolobov	Peter Von Zur Muehlen
Dmitry Kruchinin	Philip Bille
Dmitry Lukyanenko	Piergiuseppe Di Marco
Dmitry Ruban	Pierre Borgnat
Dong Min Kim	Piotr Gierlak
Dusan Knop	Piotr Miller
Edorta Carrascal Lekunberri	Plácido Moreno Beltrán
Ehsan Bhuiyan	Pratip Rana
Eirini Eleni Tsiropoulou	Qiangfu Zhao
Elena M. Hernández Pereira	Rachid Saadane
Elena Nechita	Radoslaw Michalski
Elsa Cazelles	Rafał Dreżewski
Elzbieta Sidorowicz	Ragnar Freij-Hollanti
Emanuel Weitschek	Rahul Singh
Enrique Casarejos	Raimo Kantola
Erfan Maleki	Ramiro Rico-Martinez
Eric Tannier	Ramyaa Ramyaa
Erik Cambria	Rashid Mehmood
Ewa Roszkowska	Rastislav Róka
Fabio D'Andreagiovanni	Razvan Bocu
Fabrizio Balducci	Rekha Guchhait
Faranak Rabiei	Renato Portugal
Farzin Piltan	Ricardo De Matos Simoes
Federico Pittino	Rita Girão Silva
Felipe Martins Muller	Rittika Shamsuddin
Felix Albu	Robertas Damaševičius
Ferda Halicioglu	Rodney Graham Downey
Fernando Luis-Ferreira	Rodrigo Righi
Filippo Biondi	Rodriguez Miguel Pineda
Flavia Bonomo	Romero Fernando Castaño
Francesca Abastante	Rossitza Goleva
Francisco Cuevas De La Rosa	Rui Zhang
Franco Alberto Cardillo	Saleh Mobayen
Franya Franek	Salman Ahmadi-Asl
Freddy Gabbay	Salvatore Corrente
Furqan Aziz	Salvatore Flavio Pileggi
Fuyi Li	Salvina Gagliano
Fu-yuen Hsiao	Sam Amiri
Gaetano Salina	Samad Noeiaghdam
Gang Kou	Sandy Brownlee
Geneviève Simonet	Sašo Karakatič
Geoffrey Grime	Sathishkumar Murugesan
George K. Adam	Satoshi Uchida
George Matsopoulos	Scott D. Flamm
Georgios Alexandridis	Sejong Oh
Georgios Kostopoulos	Seong-Ik Han
Georgios Tsekouras	Serafino Cicerone
Gianni D'Angelo	Serdar Durdyev
Gilles Didier	Sergei Sidorov
Giordano Danilo	Sergey Lashin
Giorgio Audrito	Sergii Babichev
Giorgio Gosti	Sevvandi Kandanaarachchi
Giulia Caruso	Seyed Mohammad Ghoreyshi
Giuliano Zambonin	Seyedali Mirjalili
Giuseppina Inuso	Shady H.E. Abdel Aleem
Gokarna Sharma	Shashi Raj Pandey
Grzegorz Dombek	Sheraz Aslam
Guillermo Hauke	Sherief Hashima
Guillermo Valencia-Palomo	Sherzod Turaev
Guohao Dai	Shinichi Yamagiwa
Gupta Rajan	Shmuel Tomi Klein
Gustavo Pinto	Shu-Chuan Chu
Guy Mélard	Shunsuke Shiraishi
Gyanendra Prasad Joshi	Simona Moldovanu
György Dósa	Sin-Jin Lin
Han Zhang	Slawomir Jarek
Hanna Furmańczyk	Socrates Basbas
Hanno Hildmann	Sotirios Kontogiannis
Hao Wang	Spyros Kontogiannis
Haoran Chi	Stanislav Harizanov
Heike Trautmann	Stefania Tronci
Helbert Eduardo Espitia	Stefano Antonio Gattone
Helmut Ahammer	Stefano Guerrini
Hendrik Richter	Stefano Seriani
Hoai Nam Huynh	Stefka Fidanova
Hoang Nguyen	Sung Jin Yoo
Hongtian Chen	Sung Wook Paek
Ieva Meidute-Kavaliauskiene	Sungho Suh
Igor Vujović	Sung-Hoon Mok
Ilia Safonov	Sungyong Choi
Ilie Valentin Mihai	Surender Reddy Salkuti
Ilja Kröker	Suxing Liu
Indika Kumara	Sven Bingert
Ioannis Tsoulos	Svetlozar T. Rachev
Ionel Zagan	Syed Tahir Hussain Rizvi
Ionut Brandusoiu	Sylvio Barbon Junior
Iouliia Skliarova	Szabolcs Duleba
Iulian Grindeanu	Tae-Eung Sung
Ivan Izonin	Taeho Kim
Ivan Marović	Tage Mohammadat
Ivan Virgala	Takuya Kida
Ivana Kolingerova	Talha Bin Masood
Iwona Włoch	Tamer Abdelmaguid
Jaehyuk Choi	Thaha Mohammed
Jakub Nalepa	Theodore Andronikos
Jan Goedgebeur	Thierry Lecroq
Jan Van Casteren	Thomas Espitau
Jared Adolf-Bryfogle	Thomas Kletschkowski
Jaroslav Mlynek	Thomas P. Karnowski
Jarosław Figwer	Tihomir Opetuk
Jarosław Rybak	Tom Huxford
Jaroslaw Watrobski	Tomas Balezentis
Javier E. Contreras-Reyes	Tomasz Górski
Javier Oliver-Muncharaz	Tome Eftimov
Jean-Luc Prigent	Travis Gagie
Je-Keun Rhee	Vadim S. Tynchenko
Jens Heger	Vaggelis Kapoulas
Jerzy Rosłon	Valdivieso Pedro A. Castillo
Jianing Li	Valentin Năvrăpescu
Jianshe Ma	Valentino Santucci
Jie Hua	Vanissorn Vimonsatit
Jiří Škvor	Vasile Daniel Pavaloaia
Joana Alegria Quintela	Vasilis Dimitriou
João Pedro Barreto	Vasiliy Elagin
John Pryce	Venanzio Giannella
John R. Woodward	Víctor Manuel Rivas Santos
John Samuel	Vikram Mulligan
Jörg Rothe	Violeta Kersuliene
José Antonio Castellanos Garzón	Viorel Minzu
José Antonio De Diego Onsurbe	Vittoria Cozza
José Ramón Cardona	Vittorio Bilò
José Ramón Gaxiola-Camacho	Vlad Diaconita
José Santos	Vladimir Stanovov
Jozsef Katona	Vladimir V. Semenov
Juan Miguel Benito-Ostolaza	Wojciech Sałabun
Jude Hemanth	Wolfgang Schreiner
Julien Alexandre dit Sandretto	Wookyong Kwon
Junayed Pasha	Xi Jin
Juri Hinz	Xiaoshuang Shi
Juvenal Rodríguez-Reséndiz	Xuefeng Zhang
Karel Charvat	Xunyuan Yin
Karl Jones	Yanfei Lu
Karol Winkelmann	Yeou-Jiunn Chen
Karthikeyan Subramanian	Yessica Nataliani
Katarzyna Antosz	Young-Seob Jeong
Katarzyna Kaczmarek-Majer	Yu Lin
Kaustav Kundu	Yu Tang
Kazuyuki Takai	Yuan Sun
Kei Nakagawa	Yuantao Gu
Kenji Ikehara	Yu-Chi Chung
Kenneth Moreland	Yuhu Wu
Keshav Singh	Yuji Iwahori
Khushboo Munir	Yung-Hui Li
Kirill Kuzmin	Yuri Pirola
Komori Osamu	Zbigniew Zakrzewski
Konstantinos Giannoutakis	Zelun Wang
Konstantinos Syriopoulos	Zeno Toffano
Krzysztof Chwastek	Zenon A. Sosnowski
Krzysztof Klimaszewski	Zhen Zhang
Kyi Thar	Zlatin Zlatev
Kyungjoo Kim