Learn how the World Bank Group is helping countries with COVID-19 (coronavirus). Find Out

Impact Evaluation Experts

DIME experts for each of our units


DIME Front Office
  • Image

    Arianna Legovini

    Head of Development Impact Evaluation (DIME)
    Arianna Legovini built and leads the Development Impact Evaluation (DIME) group of the World Bank, The purpose of this unit is to use research to improve development practice and policy outcomes. Since joining the Bank in 2004, she has worked to understand and develop the institutions (incentives and processes) required to engage researchers, operational staff and policymakers in improving the quality in the design and implementation of development projects.
  • Photo of John Loeser, Economist

    John Loeser

    Economist
    John is an Economist in Development Impact Evaluation (DIME) at the World Bank. He completed his PhD in Agricultural and Resource Economics at UC Berkeley in 2019. John is a development economist who focuses on applying theory to expand the set of questions we can answer with impact evaluations. His current research develops revealed preference methods for welfare measurement, focusing on productivity in smallholder agriculture in Bangladesh, India, Mozambique, and Rwanda.

Economic Transformation & Growth
  • Image

    Florence Kondylis

    Senior Economist, Research Program Manager
    Florence manages DIME’s unit on Economic Transformation & Growth. She joined the World Bank as a Young Professional and received a magistere in economics from the Paris School of Economics, a PhD in economics from the University of London, and was a Postdoctoral Fellow at the Earth Institute at Columbia University. Her main interests are in development, labor, conflict and agricultural economics.
  • Image

    Paul Christian

    Economist
    Paul Christian is an Economist in the Development Impact Evaluation unit of the of the World Bank. His research on agriculture and food security programs focuses on targeting and management of irrigation projects. He has led impact evaluations in India, Nepal, Mozambique, Liberia, and Ghana.
  • Image

    Erin Kelley

    Economist
    Erin Kelley is an Economist in the Development Impact Evaluation (DIME) unit at the World Bank. In her research, Erin designs large-scale randomized experiments to study how technological innovations can be used to solve complex problems that affect households and firms in low-income countries. She has projects in Kenya, Bangladesh and India.
  • Photo of Caio Piza, Senior Economist, World Bank

    Caio Piza

    Senior Economist
    Caio Piza is a Senior Economist on the Development Impact Evaluation unit at the World Bank, where he currently leads the impact evaluations in Trade and Competitiveness. As an applied microeconometrician his interests range from topics such as microfinance to education and labor economics. His main research now focuses on understanding the main barriers that prevent firms from adopting technologies that have private and social returns.

GENDER, ECONOMIC OPPORTUNITY & FRAGILITY
  • Image

    Marcus Holmlund

    Senior Economist, Research Program Manager
    Marcus manages DIME’s unit on Gender, Economic Opportunity (including work in health, education, and social protection and jobs), and Fragility. He is a Senior Economist and he specializes in the use of real-world impact evaluation and experimentation for policy design in collaboration with governments and works across several sectors to promote the rights and wellbeing of marginalized and poor populations.
  • Image

    Girija Borker

    Economist
    Girija Borker is an Economist in the Development Impact Evaluation (DIME) unit at the World Bank. She coordinates the gender program at DIME. Her research focuses on issues related to gender, transport, violence and urban mobility. In particular, her ongoing projects study the economic consequences of sexual harassment in public spaces, measurement of such violence and efficacy of interventions to address such violence. Her work has been featured by Quartz, The Hindustan Times, Le Monde, BBC Radio, and The New Statesman. Girija holds a PhD in Economics from Brown University, MPhil. in Economic Theory and Econometrics from Toulouse School of Economics, France, a Masters in Economics from University of Cambridge, UK and a Bachelor’s degree in Economics from St. Stephen’s College, Delhi University, India.
  • Image

    Eric Mvukiyehe

    Economist
    Eric Mvukiyehe is an Economist in the Development Impact Evaluation unit at the World Bank, where he leads an impact evaluation program on Fragility, Conflict and Violence (FCV)—a portfolio of 35 impact evaluations in over 25 countries. His main research focuses on the political economy of post-conflict reconstruction, labor markets, civil service reforms, and female empowerment, among other issues.
  • Image

    Victor Hugo Orozco-Olvera

    Senior Economist
    Victor Orozco is a Senior Economist with the Development Impact Evaluation (DIME) department in the World Bank. His research focuses on mechanisms to promote behavior change at scale and includes impact evaluations in the areas of health, education, gender and environment. He founded and leads the World Bank’s research program on Mass Media and Entertainment-Education.
  • Photo of Patrick Premand, Senior Economist, World Bank

    Patrick Premand

    Senior Economist
    Patrick Premand is a Senior Economist in the Development Impact Evaluation Group (DIME) in the research Vice-Presidency at the World Bank. He works on Social Protection and Safety Nets; Jobs, Economic Inclusion and Entrepreneurship; and Early Childhood Development. He conducts impact evaluations and policy experiments of social protection, jobs and human development programs.

Governance & Institution Building
  • Image

    Vincenzo Di Maro

    Senior Economist, Research Program Manager
    Vincenzo manages DIME’s unit on Governance & Institution Building. He is a Senior Economist and his research focuses on tests of (behavioral) economics mechanisms in a variety of interventions and how to frame them as policy relevant parameters. He is currently leading the IE program in Public Sector Governance and Justice (ieGovern) in collaboration with PREM and LEGJR.
  • Photo of Daniel Chen, Senior Economist

    Daniel Li Chen

    Senior Economist
    Daniel Li Chen is the Lead Principal Investigator, DE JURE (Data and Evidence for Justice Reform) at the World Bank, Director of Research at the Centre National de la Recherche Scientifique (CNRS), and Professor at the Toulouse School of Economics. He is also a Senior Fellow at the Institute for Advanced Study in Toulouse, Collaborator at Harvard Medical School, advisor at NYU Courant Institute for Mathematics Center for Data Science. He is the founder of oTree Open Source Research Foundation and Data Science Justice Collaboratory and co-founder of Justice Innovation Lab. Chen was previously Chair of Law and Economics at ETH and tenure-track assistant professor in Law (primary), Economics, and Public Policy at Duke University. Chen received his BA and MS from Harvard University in Applied Mathematics and Economics; Economics PhD from MIT; and JD from Harvard Law School. He has attained prominence through the development of open source tools to study human behavior and through large-scale empirical studies — data science, artificial intelligence, and machine learning — on the relationship between law, social norms and the enforcement of legal norms, and on judicial systems.
  • Image

    Maria Ruth Jones

    Survey Specialist
    Maria Jones is a Survey Specialist in the Impact Evaluation (DIME) unit at the World Bank. At DIME, she coordinates DIME Analytics, an initiative to increase and standardize data quality across the DIME portfolio, and works on agricultural impact evaluations. Her main interests are in research methods and agricultural technology adoption.
  • Image

    Daniel Oliver Rogger

    Economist
    Daniel Rogger is a Research Economist in the Impact Evaluation Unit at the World Bank. His areas of interest are political economy, and organizational and public economics. Dan’s research aims to understand how to build organizations that effectively deliver public services. He does large scale surveys and research in collaboration with civil service organizations across the world.

Infrastructure & Climate Change
  • Image

    Aidan Coville

    Senior Economist, Research Program Manager
    Aidan manages DIME’s unit on Infrastructure and Climate Change. After completing his MSc in Statistics at University College London and MSc in Economics for Development at the University of Oxford, he joined DIME in South Africa, exploring the effects of a large-scale slum upgrading project implemented across the country. He’s a Senior Economist focusing on identifying sustainable, equitable and efficient ways to expand water, sanitation, electricity and broadband services with the aim of reducing poverty and spurring climate-compatible economic growth.
  • Image

    Guadalupe Bedoya

    Senior Economist
    Guadalupe (Lupe) Bedoya is a Senior Economist in the Development Impact Evaluation Department (DIME) at the World Bank. Her research focuses on the role of accountability mechanisms to reduce market failures, particularly in safety markets (patient safety, road safety, building safety), and multi-faceted interventions to reduce poverty in fragile contexts.
  • Image

    Guigonan Serge Adjognon

    Economist
    Serge Adjognon is an Agricultural Economist in the Development Impact Evaluation (DIME) Team of the World Bank. Passionate about poverty and food security issues in developing countries, his research interests are in agricultural value chains, non-farm economy, agricultural finance, and climate change and climate-smart agriculture.
  • Image

    Théophile Bougna

    Economist
    Théophile Bougna is an Economist in the Development Impact Evaluation team of the World Bank. His current research focuses on transport, urban and spatial economics with a particular interest on measuring and explaining changes in the spatial distribution of economic activity. His research has been published in Regional Sciences and Urban Economics and featured in VoxEU.
  • Image

    Alice Duhaut

    Economist
    lice Duhaut is an Economist in the Development Impact Evaluation unit at the World Bank where her work focuses on impact evaluations of transportation investments and economic corridors. Her research interests include transport policy, social networks and urban and regional economics.
  • Image

    Sveta Milusheva

    Economist
    Sveta Milusheva is an Economist in the Development Impact Evaluation (DIME) unit at the World Bank. She coordinates the ieConnect program of impact evaluations focused on transport investments and within this program leads the work on urban mobility. Her research interests include infrastructure and information & communication technologies, population mobility, health and gender.
  • Image

    Arndt Reichert

    Economist
    Arndt Reichert is an Economist in Development Impact Evaluation team at the World Bank and coordinator of impact evaluations on energy. He is an applied (micro-) econometrician with interests in energy, environment, health, and labor economics. Arndt’s current research investigates the economic impacts of investments in improved electricity supply to the industrial sector in Nepal and semi-urban as well as rural electrification in Argentina, Kenya, and Senegal.