Alvin Dammann Leer is a serial impact entrepreneur and investor. Sustainability is a career theme for D. Leer, having first honed his skills at the global NGO WWF to co-founding two impact startups. D. Leer has held positions across three continents as an editor and independent consultant for companies such as Innovation Norway, Adecco and WWF. His educational background includes Communication (University of Roehampton, London), Behavior Change (Yale) and Social Entrepreneurship (Emmanuel College, Boston).