ACXAS2019 is organized by Synchrotron Light Research Institute (Public organization).
| Dr. | Rungrueang | Phatthanakun | SLRI | Conference Chair | |
| Dr. | Prapong | Klysubun | SLRI | ||
| Dr. | Somchai | Tancharakorn | SLRI | ||
| Dr. | Wantana | Klysubun | SLRI | ||
| Dr. | Prae | Chirawatkul | SLRI | ||
| Dr. | Catleya | Rojviriya | SLRI | ||
| Dr. | Siriwat | Soontaranon | SLRI | ||
| Dr. | Yingyot | Pooarporn | SLRI | ||
| Dr. | Hideki | Nakajima | SLRI | ||
| Dr. | Pat | Photongkam | SLRI | ||
| Dr. | Narong | Chanlek | SLRI | ||
| Dr. | Sarayut | Tunmee | SLRI | ||
| Dr. | Chanan | Euaruksakun | SLRI | ||
| Dr. | Wanwisa | Limphirat | SLRI | ||
| Dr. | Ratchadaporn | Supruangnet | SLRI | ||
| Dr. | Wutthikrai | Busayaporn | SLRI | ||
| Dr. | Chatree | Saiyasombat | SLRI | ||
| Dr. | Pattanaphong | Janphuang | SLRI | ||
| Dr. | Suttipong | Wannapaiboon | SLRI | ||
| Dr. | Penphitcha | Amonpattaratkit | SLRI | ||
| Dr. | Pinit | Kidkhunthod | SLRI | Conference Secretary | |
| Dr. | Suchinda | Sattayaporn | SLRI | Assistant Conference Secretary | |
| Miss. | Sasipun | Tritan | SLRI | Attached to the Secretary's office | |
| Mrs. | Churintorn | Neti | SLRI | Attached to the Secretary's office | |
| Miss. | Wannapha | Chanthawat | SLRI | Attached to the Secretary's office | |
| Miss. | Sarintorn | Tonghom | SLRI | Attached to the Secretary's office | |
| Miss. | Sidaphat | Rodthai | SLRI | Attached to the Secretary's office |