Alex Dunai resides in Lviv, Ukraine. In 1992 graduated from the Lviv State University with a degree in History. Since 1996, he has worked as a professional genealogy researcher. Among his contributions to Jewish genealogy is his discovery and translation of the official KGB martyrs' lists for Galician Jewish victims of 2nd World War.

Since 1997, he has combined his professional interest in genealogy and his knowledge of Jewish life in Eastern Europe to guide genealogists and others in their quest to connect historically with their ancestors and the life that was once there. His tours are individually tailored and he particularly specializes in complex trips that include several towns and countries.

Since 2007, he has been cooperating with Yad Vashem searching for people who were hiding Jews during the German occupation.

Alex is fluent in English, Russian, Polish, and Ukrainian. His research for clients has taken him to the plethora of archives and institutions throughout that region. His particular areas of expertize are in regional and city archives, museums, civil registry offices, etc. Has experience of work in the archives of Poland, Romania and Slovakia; specializes in the Jewish genealogical research in the archives of Ukraine. His success has been due to his knowledge of the archival system in Ukraine, and his ability to negotiate entry to work there even under the most extraordinary of circumstances.