Mr Raymant was most recently the CEO on the Bradwell B project in Essex and was Chief Operating Officer for Horizon Nuclear Power between 2009 and 2016.
Mr Raymant oedd y Prif Swyddog Gweithredol ar brosiect Bradwell B yn Essex yn fwyaf diweddar a bu'n Brif Swyddog Gweithredu Horizon Nuclear Power rhwng 2009 a 2016.