| Austria | 1. Claudia Mewald, University of Teacher Education, Lower Austria |
| Belgium | 2. Steven Mannens, Odisee University of Applied Sciences |
| Brunei | 3. Keith Wood, Sultan Hassanal Bolkiah Institute of Education (SHBIE) – Universiti Brunei Darussalem |
| China | 4. Li Shuying Sean, City University of Macau 5. Chen Xiangming, Peking University |
| Columbia | 6. John Alba, Universidad de La Sabana |
| Germany | 7. Roland Knoblauch |
| Hong Kong | 8. Eric Cheng Chi Keung, The Education University of Hong Kong 9. Ko Po Yuk, The Hong Kong Institute of Education 10. Ellen Zhang Yuefeng, The Hong Kong Institute of Education 11. Pang Ming Fai, The University of Hong Kong |
| Hungary | 12. János Győri, Eötvös Loránd University |
| Indonesia | 13. Arif Hidayat, Universitas Pendidikan Indonesia |
| Ireland | 14. Aoibhinn Ni Shuilleabhain, University College Dublin |
| Japan | 15. Manabu Sato, The University of Tokyo 16. Hiroyuki Kuno, Chukyo University 17. Yoshiaki Shibata, Nagoya University 18. Arani Mhd Reza Sarkar, Nagoya University 19. Kiyomi Akita, Gakushuin University |
| Kazakhstan | 20. Tavilya Akimova, The Center of Excellence, Aktobe Branch |
| Malaysia | 21. Zanaton H Iksan, Universiti Kebangsaan Malaysia |
| Malta | 22. James Calleja, Faculty of Education, University of Malta |
| Netherlands | 23. Goei Sui Lin, Vrije Universiteit Amsterdam |
| Norway | 24. Anne Mette Færøyvik Karlsen, Western Norway University of Applied Sciences |
| Philippines | 25. Erlina Ronda, National Institute for Science and Mathematics Education Development, University of the Philippines |
| Singapore | 26. Fang Yanping, National Institute of Education, NTU 27. Christine Lee Kim Eng, National Institute of Education, NTU 28. Jiang Heng, National Institute of Education, NTU 29. Choy Ban Heng , National Institute of Education, NTU 30. Yeap Ban Har, Pathlight School |
| South Africa | 31. David Sekao, University of Pretoria |
| Spain | 32. Encarnación Soto-Gómez, Faculty of Education in Malaga University |
| Sweden | 33. Airi Rovio-Johansson, University of Gothenburg 34. Kullberg Angelika, University of Gothenburg |
| Switzerland | 35. Stéphane Clivaz, Lausanne University of Teacher Education |
| Thailand | 36. Maitree Imprasitha, Khon Kaen University 37. Narumon Changsri, Khon Kaen University |
| United Kingdom | 38. Vicky Christoforatou, University of East Anglia 39. Peter Dudley, Faculty of Education, University of Cambridge 40. Jean Lang, Graduate School of Education, University of Exeter |
| United States | 41. Akihiko Takahashi, College of Education, DePaul University 42. Lynn Webster Paine, Michigan State University 43. Catherine Lewis, Mills College 44. Dotger Sharon, Syracuse University 45. Huang Rongjin, Middle Tennessee State University 46. Joan Easterday, CANMEE Steering Committee 47. Gabriel Matney, Bowling Green State University |
WALS
World Association of Lesson Studies