Members of ApPIC
| Ani Aprahamian (USA) - Associate Member (C12) | Angela Olinto (USA) |
| Pierre Binetruy (France) - secretary | Natalie Roe (USA) |
| Roger Blandford (USA) | Sheila Rowan (GB) |
| Zhen Cao (China) | Valery Rubakov (Russia) |
| Eugenio Coccia (Italy) | Bernard Sadoulet (USA) |
| Don Geesaman (USA) | Subir Sarkar (GB/Denmark) |
| Kunio Inoue (Japan) | Christian Spiering (Germany) |
| Karl-Heinz Kampert (Germany) -ex-officio member, chair of C4 | Michel Spiro (France) - Chair |
| Naba Mondal (India) | Yoichiro Suzuki (Japan) |