Even now, several years later, Ciarán ÓGaora still smiles when he talks about the two Marys.  Both worked for Ifac, the farmer-owned accounting co-operative, and they arrived together at the Capel Street office of Zero-G, the brand strategy and design company that ÓGaora had founded in 2004, looking for help developing and refining the Ifac brand.  ÓGaora and his colleagues were intrigued and gave a prospective date of when they would be in a position to start on the project. The response was not what he expected: “We couldn’t do that. That’s during the lambing season.” For ÓGaora, the response…