Marc Völker is a Lecturer at the Institute for Population and Social Research (IPSR), Mahidol University, Thailand. He teaches environmental and development economics, and research methods for social sciences. His research focuses on the valuation of ecosystem services, synergies between population health promotion and environmental protection, and the vulnerability to poverty of rural households in Southeast Asia. Before coming to IPSR, Marc was a research fellow at the Helmholtz-Centre for Environmental Research (UFZ), Germany. In December 2010, he completed his Ph.D. in Economics at Gottfried Wilhelm Leibniz University Hannover, Germany, where he worked for several years at the Institute of Development and Agricultural Economics.