Marcel Timmer is a member of the Groningen Team. Timmer is a Professor of Economic Growth and Development at Groningen and the Director of the Groningen Growth and Development Centre (GGDC). His expertise is in economic growth and development, trade, productivity measurement and international comparisons. He is currently leading a large research programme funded by the Dutch Science Foundation, titled “Modelling Global Value Chains: a new framework to study trade, jobs and income inequality in an interdependent world”. He directed the development of major research databases on structural change, including the GGDC 10-sector database, the World Input-output Database, World KLEMS productivity database and the Penn-World Tables. He has been a consultant and advisor for organisations such as the OECD, the World Bank and Asian Development Bank. He is also the lead author of the book Economic Growth in Europe published in 2010 by Cambridge University Press. He has published extensively in journals including the American Economic Review, Review of Economics and Statistics, Economic Journal, Journal of Economic Perspectives, Journal of Development Economics, Economic Policy and the Journal of Economic History.

Professor Douglas Gollin is the STEG Research Director and CEPR team leader. Gollin is a  leading figure in the literatures on structural transformation and the growth of developing economies. Gollin is a Professor of Development Economics at the Oxford Department of International Development (ODID). His research focusses on economic development and growth, with particular interests in agriculture and structural transformation. He joined Oxford in October 2012 after spending 16 years at the faculty of Williams College in the United States. He has been a visiting professor at Yale University and a visiting scholar at the International Monetary Fund. From 2012-17, he chaired the Standing Panel on Impact Assessment of the CGIAR, a consortium of international agricultural research organisations. He also works with the International Growth Centre and a number of NGOs involved in policy-oriented work on development. He has published widely in leading economics journals, including the Journal of Political Economy, Quarterly Journal of Economics, Journal of Development Economics, Journal of Economic Growth, and others. He has consulted widely, including with the World Bank, International Fund for Agricultural Development, and other international organizations. He is currently Managing Editor of the Journal of African Economies and an Associate Editor for the Journal of Development Economics and Oxford Development Studies. Gollin holds an AB degree from Harvard University and an MA from Yale University. He received his PhD. in economics from the University of Minnesota in 1996. He is a CEPR Research Fellow in the Development Economics and Macroeconomics and Growth programmes.