He was then appointed Deputy Minister for Culture, Sport and Tourism in 2014 and promoted to Cabinet Secretary for Economy and Infrastructure in May 2016.
Yna cafodd ei benodi'n Ddirprwy Weinidog Diwylliant, Chwaraeon a Thwristiaeth yn 2014 a'i ddyrchafu'n Ysgrifennydd y Cabinet dros yr Economi a'r Seilwaith ym mis Mai 2016.