- Thomas Feurer (European XFEL, Germany)
- Markus Gühr (DESY, Germany)
- Jon Marangos (Imperial College London, UK)
- Christopher Milne (European XFEL, Germany)
- Allen Orville (Diamond, UK)
- Nina Rohringer (DESY, Germany)
- Kyioshi Ueda (Tohoku University, Japan)
- Caterina Vozzi (CNR, Italy)
