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Staff & Interns E-mail
Clara Ariza
Clara Ariza

Clara a Colombian biologist specialized in dryland ecology, is Programme Officer with ProAct. For over ten years, Clara has worked evaluating the effects of desertification and climate change on the biodiversity of tropical and Mediterranean ecosystems. She has participated in various research projects and expeditions in South America, the Middle East and Madagascar and is currently finalizing her PhD degree at the University of Tübingen, Germany. Clara enjoys desert landscapes and family life.

Nathalie Chambeyron
Nathalie Chambeyron

Nathalie is French and British, joined ProAct as an intern in 2009, and is currently Programme Officer. Nathalie has an MSc in Development Studies, focusing on human displacement and post-conflict transitions, and past experience working for international organisations in the area.

Beatrice Hamblin
Beatrice Hamblin

Beatrice, ProAct’s Office Manager, has a degree in business & administration and many years experience working in multicultural environments. Béatrice lived and worked in Europe, Asia and North America before settling in Switzerland with her husband and daughter. The family particularly enjoys living by the Lake Leman, going for a dip year round.

Nina Saalismaa
Nina Saalismaa

Nina is a Programme Officer with ProAct. Nina's background is in environmental sciences but she has also worked in human rights and child protection with international organisations and NGOs. Nina speaks six languages and prior to moving to Switzerland she lived and worked in Central America, Kosovo and Lesotho.

Brittany Smith
Brittany Smith

Brittany is ProAct’s new Intern from the United States of America. She is currently a master’s degree candidate in Sustainable Development with a concentration in Management. She has a variety of professional experiences with environmental and humanitarian aid organizations, such as World Wildlife Fund (WWF-US) and the American Red Cross in New Orleans. Brittany’s travels to the Middle East, Oceania, West Africa, and Latin America continue to enhance her international perspective. In every community she resides, Brittany is passionate about exploring local culture and supporting grassroots social change movements.

David Stone
David Stone

David is Director of ProAct Network. A zoologist by training, David has worked for over 20 years in the fields of biodiversity conservation and environmental management particularly in humanitarian and disaster relief operations, with emphasis on community engagement and development. David has worked with refugees and other people displaced by conflict or disasters in more than 40 countries. David is also an accomplished author and editor, and is an avid organic gardener!

Caroline Wood
Caroline Wood

Caroline is ProAct's Webmaster. With a degree in geography, Caroline has always enjoyed working for companies or international institutions interested in the environment. Returning to work after a break dedicated to raising her four young children, Caroline is happy to be (part-time) in the office to focus on more grown up matters.

Grant Wroe-Street
Grant Wroe-Street

Grant comes from a background of environmental law and impact assessment. Prior to joining ProAct Network Grant worked with the United Nations in the areas of environmental assessment and management in post-conflict countries. His current work retains this focus and the environmental challenges faced and posed by people displaced as a result of conflict or disaster. Since moving to Switzerland he has started skiing and has the ambition to fall down with less frequency and more grace.