Yokoyama Chisa is a well known Japanese seiyuu (voice actress) and singer from Tokyo. She co-hosts an ongoing radio show with fellow seiyuu Yamaguchi Kappei and Sakura Wars creator Hiroi Ouji. She is founder and head of her own voice company called Banbina after leaving Arts Vision. When she was a high school student, she was an assistant of Jump Broadcasting Station of Weekly Shounen Jump (1988-1996).
