Not long after Blaine Doyle moved to Mexico City to start his own business, he joined the Irish Mexican Chamber there. “At the time I had no connections, no Spanish but the Chamber allowed me to connect to good people that I could trust,” he says. Five years later Doyle is president of the Irish Mexican Chamber and leading a trade mission of 32 Mexican companies to Ireland. His own business ChekTaHora, an online medical laboratory, raised $2.5 million last year from Irish and Latin American investors. Chatting to me in his car a few days before the trade mission…