Daniel Isaac is a practicing New York State certified history teacher who has been doing genealogical research for over a decade. He holds a bachelor's degree from Cornell University and a master's degree from Bard College, as well as certification in Educational Leadership. He studied overseas at the Institute for American Universities in Aix-en-Provence, France, where he received the Jeane and Evron Kirkpatrick Prize for Excellence in Political Science. Daniel has also been a recipient of Cornell University's Harrop and Ruth Freeman Peace Studies Fellowship, and has been a summer fellow of both the Gilder Lehrman American History Institute and the National Endowment for the Humanities.

Daniel's primary area of genealogical expertise is the New York metropolitan area. He has done extensive work with domestic records from over a dozen states as well as having worked with international records ranging from countries throughout Europe, including Ireland, Germany, Italy, France, Russia, Slovakia, and several others. He continues to expand his own skill and knowledge base.