Johanna Winkelman Provision of services in international and national nature and biodiversity conservation. Offers project and programme management, desk studies, research and advice. In English and Dutch. | Griggs, Johanna Unofficial fan website including biography and photos. | Voerman, Johanna - Stories From Africa A volunteer IT consultant for a humanitarian aid organization. Includes information about her wedding that took place in Africa and Canada, photographs from different African countries, a weblog, articles, and travelogues. |