Advancing AI/ML at the Advanced Photon Source. Issue 4 (2nd November 2022) - Benmore, Chris; Bicer, Tekin; Chan, Maria K. Y.; Di, Zichao; Gürsoy, Dog˘a; Hwang, Inhui; Kuklev, Nikita; Lin, Dergan; Liu, Zhengchun; Lobach, Ihar; Qiao, Zhi; Rebuffi, Luca; et al.