2025 Participating teams
Below is the list of over 60 countries and territories which will participate and/or observe in IOAI 2025.
Team Leader: Hatixhe Bilibashi
Students:
Amir Kovaçi
Blendi Avdolli
Ersa Rrushi
Troi Qendro
Students:
Amir Kovaçi
Blendi Avdolli
Ersa Rrushi
Troi Qendro
(Observer country in 2025)
Team Leader: Tigran Ishkhanyan
Students:
Aram Amirkhanyan
Seryozha Nazaryan
Davit Jaghatspanyan
Pluzyan Vahe
Students:
Aram Amirkhanyan
Seryozha Nazaryan
Davit Jaghatspanyan
Pluzyan Vahe
Team Leader: Qing Zhu
Students:
Henry Minh Ho
Vincent Yingxi Chen
Muyao Zhang
Kaixin Li
Students:
Henry Minh Ho
Vincent Yingxi Chen
Muyao Zhang
Kaixin Li
Team Leader: Lu Cao
Students:
Oscar Yan
Chenru Hu
Tina Yao Tian
Louis Bowen Shi
Students:
Oscar Yan
Chenru Hu
Tina Yao Tian
Louis Bowen Shi
Team Leader: B M Mainul Hossain
Students:
Misbah Uddin Inan
Md. Riasat Islam
Abrar Shahid
Arefin Anwar
Students:
Misbah Uddin Inan
Md. Riasat Islam
Abrar Shahid
Arefin Anwar
Team Leader: ADJOVI ARNAULD
Students:
M'PO YETI Déreck
AGBOSSAGA Merveille
KOBA Ami-Odayé Essowèmdéou David
AHOUANSOU Dona Christ Hansmaut
Students:
M'PO YETI Déreck
AGBOSSAGA Merveille
KOBA Ami-Odayé Essowèmdéou David
AHOUANSOU Dona Christ Hansmaut
Team Leader: Kristofer S. Kappel
Students:
Gabriel N. Siqueira
Ícaro Silva da Rosa Linck Fróes
Miguel Cyrineu Vale
Mota, S. M.
Students:
Gabriel N. Siqueira
Ícaro Silva da Rosa Linck Fróes
Miguel Cyrineu Vale
Mota, S. M.
Team Leader: Yoan Salambashev
Students:
Velislav Dzhelepov
Mario Petkov
Reni Paskaleva
Bozhidara Puhaleva
Students:
Velislav Dzhelepov
Mario Petkov
Reni Paskaleva
Bozhidara Puhaleva
Team Leader: Melania Berbatova
Students:
Adriana Georgieva
Damyan Dochev
Boyan Vangelov
Aleksandar Slavov
Students:
Adriana Georgieva
Damyan Dochev
Boyan Vangelov
Aleksandar Slavov
Team Leader: Bo Wei
Students:
Alan Yin
Ethan Chun Yin Fung
Yubo Zhao
Jeric Jiang
Students:
Alan Yin
Ethan Chun Yin Fung
Yubo Zhao
Jeric Jiang
Team Leader: Christy Xie
Students:
Brandon Chow
William Zhu
Qianhao Han
Angelina Tsang
Students:
Brandon Chow
William Zhu
Qianhao Han
Angelina Tsang
Team Leader: Zhang Weiqi
Students:
Jiang Huikang
Dong Sihan
He Jianxing
Zhu Zhekai
Students:
Jiang Huikang
Dong Sihan
He Jianxing
Zhu Zhekai
Team Leader: Wang Hengliang
Students:
Zhao Fucheng
Wang Mutian
Shi Zhenghang
Duan Zongyan
Students:
Zhao Fucheng
Wang Mutian
Shi Zhenghang
Duan Zongyan
Team Leader: Emerson León
Students:
Juan José Gómez Ramírez
Martin Aldana Mejia
Pablo Andrés González Romero
Juan David Onofre Florian
Students:
Juan José Gómez Ramírez
Martin Aldana Mejia
Pablo Andrés González Romero
Juan David Onofre Florian
Team Leader: Josue Aristides Melendez Aleman
Students:
Sebastian Enrique Somoza Portillo
Jose Angel Cortez Cruz
Karla Margarita Ayala Tobar
Miguel Alejandro Somoza Portillo
Students:
Sebastian Enrique Somoza Portillo
Jose Angel Cortez Cruz
Karla Margarita Ayala Tobar
Miguel Alejandro Somoza Portillo
Team Leader: Hendrik Pärli
Students:
Tymofii Slitenko
Hannes Tsengov
Amanda Vaarmann
Artur Bentsa
Students:
Tymofii Slitenko
Hannes Tsengov
Amanda Vaarmann
Artur Bentsa
Team Leader: Jules Pondard
Students:
Timofei Amosov
Matan Israël
Thomas Greissler
Raphaël Mirochnitchenko
Students:
Timofei Amosov
Matan Israël
Thomas Greissler
Raphaël Mirochnitchenko
Team Leader: Shota Elkanishvili
Students:
Antoni Ingorokva
Nikoloz Kipshidze
Gigi Molashkhia
Nikoloz Gegenava
Students:
Antoni Ingorokva
Nikoloz Kipshidze
Gigi Molashkhia
Nikoloz Gegenava
Team Leader: Keti Sulamanidze
Students:
Temiko Machavariani
Saba Machavariani
Giorgi Kavelashvili
Aleksandre Tediashvili
Students:
Temiko Machavariani
Saba Machavariani
Giorgi Kavelashvili
Aleksandre Tediashvili
Team Leader: Nikos Tsikouras
Students:
Dimitrios Toulis
Georgios Angelakis
Georgios Tzovairis
Theodoros Sarras
Students:
Dimitrios Toulis
Georgios Angelakis
Georgios Tzovairis
Theodoros Sarras
Team Leader: Annie Cheong
Students:
Sean Xiao
Xian Chin Lok
Ng Man Hei
Chik Kin Hei
Students:
Sean Xiao
Xian Chin Lok
Ng Man Hei
Chik Kin Hei
Team Leader: Kenny Yeung
Students:
Dior Wang
Cheng Lai Yin
Gordon Jiang
Li Sze Chai Isaac
Students:
Dior Wang
Cheng Lai Yin
Gordon Jiang
Li Sze Chai Isaac
Team Leader: László Gulyás
Students:
Gergely Lehotai
Eszter Demjén
Benedek Labancz
Vince Ungár
Students:
Gergely Lehotai
Eszter Demjén
Benedek Labancz
Vince Ungár
Team Leader: Tamás Takács
Students:
Máté Magó
Martin Reicher
Leó Nagy
Illés Fleischman
Students:
Máté Magó
Martin Reicher
Leó Nagy
Illés Fleischman
Team Leader: Abhishek Divekar
Students:
Ishaan Gangwani
Roumak Das
Soham Sen
Samik Goyal
Students:
Ishaan Gangwani
Roumak Das
Soham Sen
Samik Goyal
Team Leader: Vikas C. Raykar
Students:
Arjun Tyagi
Himaneesh Sompalle
Savyasachi Singh
Rayan Banerjee
Students:
Arjun Tyagi
Himaneesh Sompalle
Savyasachi Singh
Rayan Banerjee
Team Leader: Mushthofa
Students:
Matthew Pramana
Faiz Ramadhan
Jayden Jurianto
Luvidi Pranawa Alghari
Students:
Matthew Pramana
Faiz Ramadhan
Jayden Jurianto
Luvidi Pranawa Alghari
Team Leader: Amir Najafi
Students:
Parsa Golestani
Ali Shayan
Arash Yousefnezhad
Radin Rahmani Nodehi
Students:
Parsa Golestani
Ali Shayan
Arash Yousefnezhad
Radin Rahmani Nodehi
Team Leader: Andrew Millar
Students:
Brodie Millar
Students:
Brodie Millar
(Observer country in 2025)
Team Leader: Nasha Frith
Students:
Jamía Williamson
Makini Thompson
Matthew Williams
Cruz Caine
Students:
Jamía Williamson
Makini Thompson
Matthew Williams
Cruz Caine
Team Leader: Naoki Murakami
Students:
Haruto Suzuki
Naoya Tokita
Hayato Yamai
Shengxuan Fu
Students:
Haruto Suzuki
Naoya Tokita
Hayato Yamai
Shengxuan Fu
Team Leader: Yousef Alqasrawi
Students:
Bater Habtoosh
Aybak Samiz
Nart Abaza
Islam Aldaraghmeh
Students:
Bater Habtoosh
Aybak Samiz
Nart Abaza
Islam Aldaraghmeh
Team Leader: Akhanov Nurdaulet
Students:
Yerdenov Batyr
Issatay Sultanbi
Aushakhman Talim
Beketov Dauzhan
Students:
Yerdenov Batyr
Issatay Sultanbi
Aushakhman Talim
Beketov Dauzhan
Team Leader: Oteu Kuanysh
Students:
Kassymkan Zhanibek
Kanabek Abu
Shakurov Timur
Sary Sultanbek
Students:
Kassymkan Zhanibek
Kanabek Abu
Shakurov Timur
Sary Sultanbek
Team Leader: Ndolo Antony
Students:
Gichigi Natasha Njeri
Oriki Doubar Nyabwari
Mwaura Ronnie Murugo
Mong'are Mike Gift
Students:
Gichigi Natasha Njeri
Oriki Doubar Nyabwari
Mwaura Ronnie Murugo
Mong'are Mike Gift
Team Leader: Makhamadkhan Ishmatov
Students:
Matvei Nizovsky
Semen Boguslavskii
Iskhak Tazhibaev
Akniet Kenzhegulov
Students:
Matvei Nizovsky
Semen Boguslavskii
Iskhak Tazhibaev
Akniet Kenzhegulov
Team Leader: Lou Seng Sang
Students:
Mak Chon Hei
Haohui Liu
Lyu Jin
Neng Chan Zou
Students:
Mak Chon Hei
Haohui Liu
Lyu Jin
Neng Chan Zou
Team Leader: Lou Seng Sang
Students:
Choi Sai Chi
Sio U Hon
Vong Hou Kei
Wang Suilun
Students:
Choi Sai Chi
Sio U Hon
Vong Hou Kei
Wang Suilun
Team Leader: Cynthia
Students:
Ainafi
Manasoa
Mendrika
Fitizo
Students:
Ainafi
Manasoa
Mendrika
Fitizo
Team Leader: Tan Nian Wei
Students:
Khor Kai Jie
Lim Ming Wen
Ryan Kua Yi Jie
Yong Zi Hong
Students:
Khor Kai Jie
Lim Ming Wen
Ryan Kua Yi Jie
Yong Zi Hong
Team Leader: Sebastien Diarra
Students:
Mory Adama Dembele
Kabel Cisse
Mariam Toure
Modibo Abdoulaye Coulibaly
Students:
Mory Adama Dembele
Kabel Cisse
Mariam Toure
Modibo Abdoulaye Coulibaly
Team Leader: César Arturo Cepeda García
Students:
Alier Sánchez Y Sánchez
Axel Magaña Falcón
César Murat Cepeda Beltrán
Diego Herrera Rivera
Students:
Alier Sánchez Y Sánchez
Axel Magaña Falcón
César Murat Cepeda Beltrán
Diego Herrera Rivera
Team Leader: Tsolmon Zundui
Students:
Dulguun Gantulga
Irmuun Chinbat
Nurtas Yermyek
Ulambayar Iveelsaikhan
Students:
Dulguun Gantulga
Irmuun Chinbat
Nurtas Yermyek
Ulambayar Iveelsaikhan
Team Leader: Zoljargal Munkhjargal
Students:
Tsengeg Nyamsukh
ALI
S.Khangerel
U.Erkhes
Students:
Tsengeg Nyamsukh
ALI
S.Khangerel
U.Erkhes
Team Leader: Chandan Goopta
Students:
Arsh Jha
Creation Duwal
Aayush Yadav
Prince Kumar Mandal
Students:
Arsh Jha
Creation Duwal
Aayush Yadav
Prince Kumar Mandal
Team Leader: Matthijs Ten Tije
Students:
Matthijs Schrijvers
Stefano Larsen
Lieke Visser
Rosalie Schrijvers
Students:
Matthijs Schrijvers
Stefano Larsen
Lieke Visser
Rosalie Schrijvers
Team Leader: Muhammad Kamran
Students:
Ayan Bin Rafaih
Mariam Nasir
Muhammad Aayan Abdullah Malik
Mirha Javaid
Students:
Ayan Bin Rafaih
Mariam Nasir
Muhammad Aayan Abdullah Malik
Mirha Javaid
Team Leader: Julio Gutiérrez
Students:
Juan Velasquez
Daniel Pocohuanca
Fabricio Jeffrey Yoel Aguilar Machaca
Carlos Huancollo
Students:
Juan Velasquez
Daniel Pocohuanca
Fabricio Jeffrey Yoel Aguilar Machaca
Carlos Huancollo
Team Leader: Antoni Czapski
Students:
Dawid Kot
Mateusz Kwietniewski
Michał Karp
Bartosz Trojan
Students:
Dawid Kot
Mateusz Kwietniewski
Michał Karp
Bartosz Trojan
Team Leader: Paulina Tomaszewska
Students:
Tymoteusz Stępkowski
Krzysztof Rojek
Jan Kociszewski
Antoni Kamiński
Students:
Tymoteusz Stępkowski
Krzysztof Rojek
Jan Kociszewski
Antoni Kamiński
(Observer country in 2025)
Team Leader: Edwin Florez Gomez
Students:
Alfredo López Curet
Ariana Rivera Ferraiuoli
He Shan
Alvaro Villafuerte Gonzalez
Students:
Alfredo López Curet
Ariana Rivera Ferraiuoli
He Shan
Alvaro Villafuerte Gonzalez
Team Leader: Nan Mihai
Students:
Rebengiuc Mircea Maxim
Petrean Roland
Mocanu Mihai-Adrian
Asandei Ștefan-Alexandru
Students:
Rebengiuc Mircea Maxim
Petrean Roland
Mocanu Mihai-Adrian
Asandei Ștefan-Alexandru
Team Leader: Miron Alexandru-Bogdan
Students:
Slănină Simon
Mușat Tudor-Ștefan
Morariu Tudor
Dumitrașcu Ștefan-Alexandru
Students:
Slănină Simon
Mușat Tudor-Ștefan
Morariu Tudor
Dumitrașcu Ștefan-Alexandru
Team Leader: Gushchin Aleksandr
Students:
Garifullin Timur
Dinmukhametov Danis
Sigalov Konstantin
Khlopotnykh Andrei
Students:
Garifullin Timur
Dinmukhametov Danis
Sigalov Konstantin
Khlopotnykh Andrei
Team Leader: Arefev Sergei
Students:
Beliaev Matvei
Vershinin Mikhail
Drokanov Oleg
Mazur Artem
Students:
Beliaev Matvei
Vershinin Mikhail
Drokanov Oleg
Mazur Artem
Team Leader: Irakoze Ntawigenga Kelly
Students:
Mugisha Pacifique
Rukundo Promesse
Hagenimana Keza Ange Darlene
Mizero Lucky Gall
Students:
Mugisha Pacifique
Rukundo Promesse
Hagenimana Keza Ange Darlene
Mizero Lucky Gall
Team Leader: Akram Fadhl N Ahmed
Students:
Muaath Mohammed A Alqarni
Ali Abdulhadi A Alsalman
Ali Ayman H Alkhabbaz
Qusai Emad A Jadallah
Students:
Muaath Mohammed A Alqarni
Ali Abdulhadi A Alsalman
Ali Ayman H Alkhabbaz
Qusai Emad A Jadallah
Team Leader: Ivan Radivojević
Students:
Veljko Galović
Andrej Tetkić
Filip Kilibarda
Aleksa Bolić
Students:
Veljko Galović
Andrej Tetkić
Filip Kilibarda
Aleksa Bolić
Team Leader: Ong Chin Ann
Students:
Kieran Chai Kai Ren
Wang Jiayu
Wong Yue Heng
Zhang Yihao
Students:
Kieran Chai Kai Ren
Wang Jiayu
Wong Yue Heng
Zhang Yihao
Team Leader: Pan Xingang
Students:
Tan Min Sen
Wang Enrun Matthias
Wang Zerui
Shine Xu Jiajing
Students:
Tan Min Sen
Wang Enrun Matthias
Wang Zerui
Shine Xu Jiajing
(Observer country in 2025)
Team Leader: Taehyun Yang
Students:
Taeung Jeong
Minjun Kang
Yongseok Kwon
Jinwoong Lee
Students:
Taeung Jeong
Minjun Kang
Yongseok Kwon
Jinwoong Lee
Team Leader: Arvid Kristoffersson
Students:
Teo Lovmar
Ayaan Wolvén
Alexander Tran
Simon Persson Holm
Students:
Teo Lovmar
Ayaan Wolvén
Alexander Tran
Simon Persson Holm
Team Leader: Joshua Andersson
Students:
Annie Karheiding
Martin Zhang
Ihor Kolisnyk
Maxim Pavlenko
Students:
Annie Karheiding
Martin Zhang
Ihor Kolisnyk
Maxim Pavlenko
Team Leader: Benjamart Maiket
Students:
Imboon Pipatpaisit
Kittapat Kitisupawatana
Dharit Kittisakdi
Thanakrit Ponimthai
Students:
Imboon Pipatpaisit
Kittapat Kitisupawatana
Dharit Kittisakdi
Thanakrit Ponimthai
Team Leader: Hatem Slimane
Students:
Mamoun Ben Ameur
Amin Ben Ameur
Fadi Amiche
Ayhem Bouker
Students:
Mamoun Ben Ameur
Amin Ben Ameur
Fadi Amiche
Ayhem Bouker
Team Leader: Fatih Kursat Cansu
Students:
Ethem Yağız Çalık
Şuayp Talha Kocabay
Talha Rüzgar Akkuş
Mehmet Kağan Albayrak
Students:
Ethem Yağız Çalık
Şuayp Talha Kocabay
Talha Rüzgar Akkuş
Mehmet Kağan Albayrak
Team Leader: Onur Güngör
Students:
Kemal Mete Akkaş
Ayşe Naz Kara
Emir Kaan Özdemir
Aras Demi̇R Şahi̇N
Students:
Kemal Mete Akkaş
Ayşe Naz Kara
Emir Kaan Özdemir
Aras Demi̇R Şahi̇N
Team Leader: Muhammad Mongy Aboelnaga
Students:
Khalifa Almulla
Rashed Ahmed Aldhanhani
Abdulla Khalil
Rayan Bouslimi
Students:
Khalifa Almulla
Rashed Ahmed Aldhanhani
Abdulla Khalil
Rayan Bouslimi
Team Leader: Abdelrahman Gasser
Students:
Sara Aljneibi
Fatima Lari
Omar Almahri
Mohammed Musab
Students:
Sara Aljneibi
Fatima Lari
Omar Almahri
Mohammed Musab
Team Leader: James Hindmarch
Students:
Anango Prabhat
Akshara Maddineni
Dylan Austin
Samuel Johnson
Students:
Anango Prabhat
Akshara Maddineni
Dylan Austin
Samuel Johnson
Team Leader: Steven Chen
Students:
Bryan Zhu
Derek Sha
William Wang
Sanghyeon (Robert) Joo
Students:
Bryan Zhu
Derek Sha
William Wang
Sanghyeon (Robert) Joo
Team Leader: Mohammad Haddadnia
Students:
Pranav Sambhu
Mahith Gottipati
Sophia Hou
Lily Shi
Students:
Pranav Sambhu
Mahith Gottipati
Sophia Hou
Lily Shi
Team Leader: Utkir Boltayev
Students:
Zamira Rustamova
Parvina Firuzovna
Elbek Zohidjanov
Shohjahon Isroilov
Students:
Zamira Rustamova
Parvina Firuzovna
Elbek Zohidjanov
Shohjahon Isroilov
Team Leader: Robinson Rivas-Suarez
Students:
Axel Hernandez Malave
Students:
Axel Hernandez Malave
Team Leader: Nguyen Hoang Giang
Students:
Nguyen Viet Trung Nhan
Nguyen Huu Tuan
Bui Quang Nguyen
Nguyen Nhat Minh
Students:
Nguyen Viet Trung Nhan
Nguyen Huu Tuan
Bui Quang Nguyen
Nguyen Nhat Minh
Team Leader: Tran Quoc Long
Students:
Nguyen Phu Nhan
Bui Dam Quan
Hoang Cong Bao Long
Nguyen Khac Trung Kien
Students:
Nguyen Phu Nhan
Bui Dam Quan
Hoang Cong Bao Long
Nguyen Khac Trung Kien