| László Maródi | Chair of EC and JPC; Website | Ewa Bernatowska | Clinical studies; Poland, Baltic countries |
| Ismail Reisli | Vice Chair of EC and JPC; Chair of J Daughter Anatolia Project; Azerbaijan, Cyprus, Albania, Kosovo | Malgorzata Pac | Publications; Clinical studies; Poland |
| Alla Volokha | Ethical issues; Ukraine, Belarus | Karama Pagava | Caucasian countries |
| Nima Rezaei | Chair of J Daughter Persia Project; Tajikistan | Margit Serban | Ethical issues; Romania-Rep. of Moldova-Hungary |
| Elena Kovzel | Co-Chair of J Daughter Central Asia Project; Kazakhstan, Mongolia | Anna Sediva | Clinical studies; Czech Republic-Slovakia |
| Irina Tuzankina | Vice Chair of EC; Chair of J Daughter Siberia Project; Urals, Kaliningrad, Archangelsk, Kyrgyzstan | Tadej Avcin | Genetic diagnostics; Slovenia-Croatia-Bosnia/Herzegovina-Serbia-Montenegro |
| Elissaveta Naumova | Genetic diagnostics; Bulgaria-North Macedonia-Greece | Melinda Erdős | J Project Booklets, other JP publications; Clinical studies; ESID |
| Irina Snimshchikova | Central-Eastern Russia | Svetlana Sharapova | JP Juniors; ESID |
| Umida Nabieva | Co-Chair of J Daughter Central Asia Project; Uzbekistan, Tajikistan | Natasa Toplac | Genetic diagnostics; Slovenia-Croatia-Bosnia/Herzegovina-Serbia-Montenegro |
