Iestyn is General Manager of Welsh Lamb & Beef Producers Ltd(WLBP) and a graduate from Aberystwyth University with a degree in Rural Resource Management.
Iestyn yw Rheolwr Cyffredinol Cynhyrchwyr Cig Oen ac Eidion Cymru Cyf (WLBP), ac mae ganddo radd o Brifysgol Aberystwyth mewn Rheoli Adnoddau Gwledig.