Cool Ruler is a thoroughbred horse born in Australia in 2019. Race horse Cool Ruler is by Territories (IRE) out of Supergail (AUS) , trained by S C Jones. Cool Ruler form is available here. Owned by Group One Thoroughbreds (Mgr: J J Azzopardi), J J Azzopardi, Group One Supergail (Mgr: J J Azzopardi), J C Davidson, G Baldock, T Brown, G Smaragdas, Useless (Mgr: C Borg), J Kallias, M Brand, J A Cross, G C Pratt, A Eustace, T Christopher, A B Lewis & Mrs D H Parry.