Takashi Imanishi has a Director credit on Mobile Suit Gundam: The Origin.
director
OVA / 2015
director (eps 8-13)
OVA / 1991
TV anime / 2019
OVA / 2004
Special / 1992
OVA / 1994
OVA / 2001
Movie / 1996
OVA / 1990
episode director (ep 1)
Short TV anime / 1995
script (ep 1)
script (ep 2)
OVA / 1995
episode director (ep 2)