Antonis H. Diamataris, publisher and executive editor of Eθνικός Κήρυξ (National Herald), was born and raised on the island of Limnos, Greece. Upon graduating from high school, he immigrated to the United States with his family, so that he could obtain an American education.

He is a graduate of Queens College of New York and of Columbia University, where he earned an MBA. He purchased 100 percent of the publishing company's Εθνικός Κήρυξ (National Herald) stock in 1979. Εθνικός Κήρυξ was founded in 1915, and is the second oldest, continuously published Greek-language newspaper anywhere. He founded the English-language weekly newspaper National Herald in 1997. Both publications are recognized as the premier newspapers serving the Greek American community across the country in both languages.

Mr. Diamataris has devoted himself to reporting the news and addressing the issues of paramount significance to the Greek American readership through his newspapers and websites, and to improving U.S.-Greece relations. He has been honored by numerous organizations and societies, and received the "Order of Merit of Greece" from the President of the Hellenic Republic, one of the highest honors Greece can bestow on an individual. He was also honored by AHEPA with its Demosthenes Award, the American Hellenic Institute, the Hellenic Heritage Foundation in St. Louis, Saint Demetrios Cathedral in Astoria, the largest Greek Orthodox parish in the country, Ronald McDonald House Charities, and others.

Mr. Diamataris was also the first person to be Grand Marshal in consecutive Greek Independence Day Parades, New York in 2005 and Boston in 2006. He is married to Evangelia and has two children, Vanessa and Eraklis.