Andy has been an independent consultant since 2005, prior to that he worked for an international consultancy, provincial and state governments in Canada and the U.S., federal government in Canada as well as lecturing in Canada and Scotland. Trained as an economist, Andy has been undertaking evaluations for over 30 years. Much of this has focused on sustainability, climate, natural resource management and on enterprise and community development working on assignments for international organisations, US-based philanthropic and US federal agencies; he also regularly undertakes assignments for not-for-profit and community-based organisations. Andy is an active contributor to the evaluation field through publications, presentations and training workshops and through promotion of incorporating sustainability as a cross cutting evaluation element. Most of his recent writing focuses on developing sustainability-ready evaluation thought and practice, on methods for evaluating coupled human and natural systems including his Rapid Impact Evaluation approach, and on use-seeking evaluation for coupled human and natural systems, His methods for evaluating environmental conflict resolution have been applied in US federal environmental agencies and elsewhere since 2004. Over thirty years’ experience as an evaluator now working in natural resource management, climate and sustainability, former President and a Fellow of the Canadian Evaluation Society.