| Agata, Hidehiko | In Person | No | NAOJ |
| Akiyama, Kazunori | In Person | Yes | MIT Haystack Observatory |
| Akiyama, Yuto | In Person | Yes | Yamaguchi University |
| Alonso, Kimberly | Online | No | Harvard-Smithsonian Center for Astrophysics |
| Anderson, Marin | Online | No | NASA Jet Propulsion Laboratory |
| Antonopoulou, Eleni | Online | No | National and Kapodistrian University of Athens / Academy of Athens |
| Arakida, Hideyoshi | Online | No | Nihon University |
| Asada, Keiichi | Online | No | ASIAA |
| Asada, Hideki | Online | No | Hirosaki University |
| Bandyopadhyay, Bidisha | Online | No | Universidad de Concepcion |
| Baturin, Rebecca | Online | No | CfA |
| Boroson, Don | In Person | Yes | MIT Lincoln Laboratory |
| Bower, Geoffrey | In Person | Yes | ASIAA |
| Bustamante, Sandra | Online | No | University of Massachusetts Amherst |
| Chael, Andrew | In Person | Yes | Princeton University |
| Chan, Chi-kwan | Online | No | University of Arizona |
| Chen, Ming-Tang | In Person | Yes | Academia Sinica Institute of Astronomy and Astrophysics |
| Chen, Ming-Tang | In Person | Yes | Academia Sinica Institute of Astronomy and Astrophysics |
| Cho, Ilje | Online | No | KASI / Yonsei Univ. |
| Dihingia, Indu Kalpa | Online | No | TDLI-SJTU, China |
| Doi, Akihiro | In Person | Yes | ISAS/JAXA |
| Doughty, Emily | Online | No | Continuum Space Systems |
| Eubanks, Thomas Marshall | Online | No | Space Initiatives Inc |
| Ezawa, Hajime | In Person | No | National Astronomical Observatory of Japan |
| Farah, Joseph | Online | No | UCSB/LCO |
| Fariyanto , Elika | In Person | Yes | The University of Tokyo/NAOJ |
| Galison, Peter | In Person | Yes | Black Hole Initiative, Harvard University |
| Gauron, Tom | Online | No | Smithsonian Astrophysical Observatory |
| Georgiev, Boris | Online | No | University of Arizona |
| Gómez, José L. | In Person | Yes | Instituto de Astrofísica de Andalucía |
| Grimes, Paul | In Person | Yes | Center for Astrophysics | Harvard & Smithsonian |
| Gurvits, Leonid | In Person | Yes | Joint Institute for VLBI ERIC and Delft University of Technology |
| Gutiérrez-Lara, Sol | In Person | Yes | Harvard University, Harvard-Smithsonian Center for Astrophysics, the Black Holes Initiative |
| Hachiya, Shiori | Online | No | Shitennoji High School |
| Hada, Kazuhiro | Online | No | Nagoya City University |
| Hadar, Shahar | Online | No | University of Haifa |
| Hagiwara, Yoshiaki | Online | No | Toyo University |
| Hayashi, Takayuki | In Person | Yes | NAOJ |
| Hernandez, Sonia | Online | No | Continuum Space Systems |
| Higuchi, Aya | Online | No | Tokyo Denki University |
| Hirabayashi, Hisashi | Online | No | JAXA |
| Hirota, Tomoya | Online | No | NAOJ |
| Honma, Mareki | In Person | Yes | NAOJ |
| Hori, Kuniko | Online | No | NAOJ |
| Houston, Janice | In Person | Yes | Smithsonian Astrophysical Observatory |
| Igarashi, Taichi | In Person | No | NAOJ/Rikkyo |
| IGATA, Takahisa | In Person | No | Gakushuin University |
| Ikeda, Shiro | Online | No | The Institute of Statistical Mathematics |
| IMAI, Hiroshi | Online | No | Kagoshima University |
| Imanishi, Masatoshi | Online | No | NAOJ |
| Inoue, Makoto | In Person | Yes | ASIAA/NAOJ |
| Inoue, Akihiro | In Person | Yes | Osaka University |
| Ismail, Afif | Online | No | National Taiwan Normal University |
| Issaoun, Sara | In Person | Yes | Center for Astrophysics | Harvard & Smithsonian |
| Iwata, Yuhei | Online | No | NAOJ |
| Izumi, Takuma | In Person | No | NAOJ |
| Jiang, Homin | Online | No | ASIAA |
| Jiang, Wu | Online | No | SHAO |
| Johnson, Michael | In Person | Yes | Center for Astrophysics | Harvard & Smithsonian |
| Jung, Taehyun | Online | No | Korea Astronomy and Space Science Insitute |
| Kameyama, Akira | Online | No | Osaka Metropolitan University / NAOJ |
| Kang, Haoran | In Person | Yes | NAOJ |
| Kawaguchi, Masato | Online | No | Tsu high school |
| Kawakami, Kaito | Online | No | Kagoshima University |
| Kawamura, Kenzo | In Person | No | The University of Electro-Communications |
| KAWASHIMA, Tomohisa | In Person | Yes | Institute for Cosmic Ray Research, The University of Tokyo |
| Kim, Junhan | In Person | Yes | Korea Advanced Institute of Science and Technology (KAIST) |
| Kino, Motoki | In Person | Yes | Kogakuin Univ/NAOJ |
| Kitajima, Kanta | In Person | Yes | Nagoya University |
| Kobayashi, Hideyuki | Online | No | National Astronomical Observatory of Japan |
| Kofuji, Yutaro | In Person | Yes | University of Tokyo |
| Kohno, Mikito | Online | No | Nagoya City Science Museum |
| Kolev, Dimitar | In Person | Yes | National Institute of Information and Communications Technology |
| Kono, Yusuke | In Person | No | NAOJ |
| Koyama, Shoko | In Person | Yes | Niigata University |
| Kozlov, Elizabeth | In Person | Yes | Harvard University College Student |
| Kubo, Derek | In Person | No | ASIAA |
| Kumar, Rahul | Online | No | university of Arizona |
| Kurahara, Kohei | In Person | No | NAOJ |
| Kusunose, Masaaki | Online | No | Kwansei Gakuin University |
| Lazio, Joseph | Online | No | Jet Propulsion Laboratory, California Institute of Technology |
| Lee, Sang-Sung | In Person | Yes | Korea Astronomy and Space Science Institute |
| Li, Zhiyuan | In Person | Yes | Nanjing University |
| Li, Zongnan | In Person | No | NAOJ |
| Lupsasca, Alex | In Person | Yes | Vanderbilt University |
| Machida, Mami | In Person | No | NAOJ |
| Markos, Flaviour | Online | No | Universiti Malaya |
| Marrone, Daniel | In Person | Yes | University of Arizona |
| Matsushita, Satoki | In Person | Yes | ASIAA |
| Miyamoto, Yusuke | Online | No | Fukui University of Technology |
| Mizuno, Yosuke | In Person | Yes | Tsung-Dao Lee Institute, Shanghai Jiao Tong University |
| Moriyama, Kotaro | Online | No | IAA-CSIC |
| Mus, Alejandro | Online | No | Università degli Studi de Cagliri |
| Myserlis, Ioannis | Online | No | Institut de Radioastronomie Milimétrique (IRAM) |
| Nagai, Hiroshi | In Person | Yes | NAOJ |
| Nagar, Neil | Online | No | Universidad de Concepcion |
| Nakagawa, Akiharu | Online | No | Kagoshima University |
| Nakamura, Kenta | In Person | Yes | the University of Tokyo |
| Nakanishi, Kouichiro | Online | No | National Astronomical Observatory of Japan |
| Niinuma, Kotaro | In Person | No | Yamaguchi University |
| Nilipour, Andy | In Person | Yes | NAOJ/Yale |
| Notsu, Shota | Online | No | Department of Earth and Planetary Science, The University of Tokyo |
| Okino, Hiroki | In Person | No | NEC |
| Oya, Yoko | In Person | No | Kyoto University |
| oyama, tomoaki | In Person | No | NAOJ Mizusawa VLBI Observatory |
| PAI, CHE WEI | Online | No | National Taiwan University |
| Palumbo, Daniel | In Person | Yes | Black Hole Initiative at Harvard University |
| Park, Jongho | Online | No | Kyung Hee University |
| Patel, Nimesh | In Person | Yes | Center for Astrophysics | Harvard & Smithsonian |
| Peretz, Eliad | In Person | Yes | NASA/GSFC |
| Pesce, Dominic | In Person | Yes | Center for Astrophysics | Harvard & Smithsonian |
| Pu, Hung-Yi | In Person | No | National Taiwan Normal University |
| Ramadhan, Sahlan | Online | No | Ibaraki University |
| Rana, Hannah | In Person | Yes | Harvard University |
| Ro, Hyunwook | Online | No | KASI |
| Ros, Eduardo | Online | No | MPI für Radioastronomie |
| Saida, Hiromi | In Person | Yes | Daido university |
| Sano, Hidetoshi | In Person | Yes | Gifu University |
| Sasada, Mahito | In Person | No | Tokyo Institute of Technology |
| Saurabh, Saurabh | Online | No | Max-Planck-Institut für Radioastronomie |
| Savolainen, Tuomas | Online | No | Aalto University |
| Sawada-Satoh, Satoko | Online | No | Osaka Metropolitan University |
| seki, azumi | Online | No | niigata university |
| Shtyrkova, Katia | Online | No | MIT Lincoln Laboratory |
| Singha, Mainak | Online | No | NASA GSFC/CUA |
| Sohn, Bong Won | Online | No | Korea Astronomy and Space Science Institute |
| Srinivasan, Ranjani | In Person | Yes | Smithsonian Astrophysical Observatory |
| Sudou, Hiroshi | Online | No | National Institute of Technology, Sendai |
| Suzuki, Hina | Online | No | University of Arizona |
| Tadaki, Ken-ichi | Online | No | Hokkai-Gakuen Univeristy |
| Takahashi, Mikiya | In Person | Yes | National Insititute of Technology, Tokyo College |
| Takekawa, Shunya | In Person | Yes | Kanagawa University |
| Tamar, Aditya | Online | No | NIT Karnataka, India/ Centre for Astrophysics | Harvard and Smithsonian |
| Tilanus, Remo | Online | No | University of Arizona |
| Tirupati Kumara, Sridharan | In Person | Yes | National Radio Astronomy Observatory |
| TOMATSU, Yuto | Online | No | Hokkaido Univ |
| Tomio, Hannah | In Person | Yes | MIT |
| Tong, Edward | In Person | Yes | CfA |
| Toscano Domingo, Teresa | Online | No | IAA-CSIC |
| Toyohara, Yukihiro | Online | No | Hakusan Yoshimitsu, LLC. |
| Trippe, Sascha | Online | No | Seoul National University |
| Tsukamoto, Naoki | Online | No | Tokyo University of Science |
| Tsunetoe, Yuh | In Person | Yes | Harvard University Black Hole Initiative |
| Uniyal, Akhil | Online | No | TDLI, SJTU |
| Urso, Irene | Online | No | Paris Observatory |
| Uzawa, Yoshinori | In Person | Yes | National Astronomical Observatory of Japan |
| Wang, Jade | In Person | Yes | MIT Lincoln Laboratory |
| Weintroub, Jonathan | Online | No | Smithsonian Astrophysical Observatory |
| Xufan, Hu | Online | No | Tsung-Dao Lee Institute |
| Yamamoto, Takashi | In Person | Yes | University of Tsukuba |
| Yamasaki, Noriko | In Person | Yes | ISAS/JAXA |
| YONEKURA, Yoshinori | Online | No | Ibaraki University |
| Yoshoika, Shogo | In Person | No | Kyoto University |
| Zhang, Mingyuan | Online | No | Shanghai Jiao Tong University |