in charge(having power) adjective [UK: ɪn tʃɑːdʒ] [US: ɪn ˈtʃɑːrdʒ]
заведующийnoun {m}
superintendent [superintendents](a person who is authorized to supervise, direct or administer something) noun [UK: ˌsuː.pə.rɪn.ˈten.dənt] [US: ˌsuː.pə.rən.ˈten.dənt]