Evan was previously the chair of the North Wales Regional TB Eradication Board for four years as well as Clwyd County Chair for NFU Cymru.
Cyn hynny, Evan oedd cadeirydd Bwrdd Dileu TB Rhanbarthol Gogledd Cymru am bedair blynedd yn ogystal â Chadeirydd Sir Clwyd dros NFU Cymru.