The Irish Mexican Business Awards have taken over a large conference room at the Ritz Carlton looking out over Mexico City. In a quiet corner of the room, Tom Stack, Irish agribusiness BioAtlantis’s CEO in Mexico, describes moving from Ireland two decades ago with his wife and four children. “It was a challenge: moving to a new country, a new language, but it helps you grow,” says the Limerick native. The only time Stack says he ever cried about being away from Ireland was when he missed his parish’s minor team making their GAA final in 2007. He says: “You remember…