Eric van Kleef owns a MSc in hydraulic engineering. Besides, he has been an enthusiastic genealogist. In the last few years he has been professionalizing genealogy. Eric has experience in the Netherlands and in the former Dutch colonies New Netherlands (New York), and Dutch East Indies from the seventeenth century onwards. Eric is a member of the Association of Professional Genealogists, the Dutch Genealogical Society (NGV), and the New England Genealogical and Historic Society (NEGHS).