Richard Stones crowned Field Sales Champion 2015 DUBLIN, Ireland, 2015-7-14 — /EPR Retail News/ — Topaz, the country’s leading fuels and convenience retailer, picked up two of the key awards at the Irish Sales Champion awards 2015 which took place at the Guinness Storehouse in Dublin recently. Richard Stones, Topaz Dealer Business Manager NI/North East, picked up…