Brian Eyler Keywords transboundary water-food-energy nexus sustainability sustainable development Read more about Brian Eyler Brian Eyler is a Senior Fellow and Director of Stimson’s Southeast Asia program. Eyler is an expert on transboundary water-food-energy nexus issues in the Mekong region and specializes in China's outbound investment in Southeast Asia. He has spent more than 15 years living and working in China and over the last ten years has conducted extensive research with stakeholders in the Mekong region, leading numerous study tours through China and mainland Southeast Asia.