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Key EDI Staff

Short Bio's about features members of our team

Dr. Johanna Choumert Nkolo

Dr. Johanna Choumert Nkolo

Senior Research Manager

Johanna is a highly experienced researcher in Economics. Being of African heritage (Cameroon and Mozambique) and having broad fieldwork experience, she is dedicated to providing evidence-based research on development issues.

For the past 10 years, she has specialized in environment and natural resources management in developing and emerging countries.

Johanna has extensive experience in conducting academic and policy-oriented research with publications in top peer-reviewed economic journals. Prior to joining EDI, she was Associate Professor of Economics at CERDI-University of Auvergne.

She holds a PhD in Economics from the University of Angers, a post graduate Diploma (DEA) in Environmental Economics from the Paris I Pantheon-Sorbonne University and a master’s degree Diploma in International Economics from Paris Dauphine University.

Mark Johnston

Mark Johnston

Financial Controller

Mark has over 20 years of financial experience with 7 years being at strategic board level and 8 years of Company Secretarial experience.

He has been working within the international development sector for the last 12 years in both the private sector and not for profit, and brings with him a wealth of experience in managing and administering complex project funding mechanisms for major donors including DFID, the EU, DANIDA KfW – German Development Bank and AfDB. Mark has been instrumental in developing the financial management systems put in place on a number of very large multi-year projects. He has experience of working in finance teams within the UK at head office and liaising with finance teams overseas.

Mark has practical experience of working in Bangladesh, Lesotho, Zambia, Papua New Guinea and Swaziland within a mixture of overseas offices and on a consultancy basis on various international development aid projects.

Ian Priest

Ian Priest

Senior Technical Architect

Celine Guimas

Celine Guimas

Senior Research Officer

Koen Leuveld

Koen Leuveld

Senior Research Officer

Koen Leuveld is a development economist with a passion for using CAPI technology to provide high-quality data, both for academic and policy oriented research.  Koen has years of experience in organizing surveys, in various countries in Africa.

Koen’s research focuses on the interplay between institutions and behaviour in fragile contexts. For this Koen has organized behavioural experiments in various African countries. Topics researched include the effect of conflict on competitive behaviour in Sierra Leone and the effect of market access on trust in Cameroon. Furthermore, Koen has extensive experience in managing large scale impact evaluations. He worked on the MFS II evaluations in the Democratic Republic of Congo, part of the largest-ever impact evaluation of Dutch development aid.

For his PhD dissertation, Koen evaluated six development projects in the Democratic Republic of the Congo. For this, Koen organized five rounds of data collection. A fundamental part of this process was working together with local partners to build capacity in the use of cutting-edge evaluation methodology and state-of-the-art CAPI technology.

Chandra Dhulipala Venkata

Chandra Dhulipala Venkata

Java & Android Developer

Callum Taylor

Callum Taylor

Research Consultant

Callum holds a Bachelor’s degree in Economics and Development Studies, and a Master’s degree in Development Economics, both from the University of Sussex. These degrees focused on the use of economic and quantitative analysis to inform development policy and decision-making whilst affording him the opportunity to train in using Stata, and develop excellent research skills.

His keen interest in trade and migration led to him working extensively on these topics and writing two dissertations on the subject of remittances and economic development. During his Bachelor’s, Callum spent a year on student exchange at the National University of Singapore, and his Master’s was supported by a scholarship from the Ryoichi Sasakawa Young Leaders Fellowship Fund.

Callum previously worked as a Business Development Analyst at Ingeus, a leading provider of services aimed at helping disadvantaged people to reach their full potential. In between his degrees he spent two years working as an English teacher at an elementary school in Seoul, S. Korea.

In his spare time he enjoys travelling, listening to music, and playing and watching sport. He is a big fan of Bruce Springsteen, East Asian cuisine and (unfortunately) Newcastle United F.C.

Nathan Sivewright

Nathan Sivewright

Research Officer

Nathan holds a Bachelors degree in Economics from the University of East Anglia and is due to receive a Masters in Impact Evaluation for International Development from the same institution. His interest in social research and rigorous program evaluations comes from working in Autism research. Pursuing his Masters degree allowed Nathan to combine his background in economics and social research with his interest in development issues.

Throughout his academic studies Nathan has focused heavily on labour markets, youth unemployment and education within a Sub-Saharan African context and has worked as Monitoring and Evaluation fellow for Educate! Uganda in Kampala. In this role he helped to implement a sizeable student survey throughout Uganda and led enumerator training courses. He also conducted a baseline analysis of a large Impact Evaluation of the Educate! Experience program across multiple regions of Uganda.

From his Academic qualifications and professional experience, Nathan is trained in using statistical software, such as STATA, and experienced in conducting social and economic research – from developing research questions to data collection and analysis.

Marie Mallet

Marie Mallet

Assistant Research Officer

Marie holds a Bachelor degree in Economics and a Research Master degree in Development Economics from the Centre for Studies and Research on International Development (CERDI -University of Auvergne) in France.  She also spent one semester at the Drake University with a focus on Political Science and International Economics.

Passionate about microeconomic development issues, her expertise covers a broad range of topics and tools such as survey design and impact evaluation methods.At CERDI, she has developed excellent quantitative skills especially in econometrics, data analysis and statistics. She wrote her master’s thesis on spatial spill overs from fiscal policies in Central and Eastern European Countries using spatial panel econometric models with STATA software.

Previously, Marie has worked as a project officer at the CEEA, a state agency promoting local development and business support in Auvergne. She conducted a survey of companies to analyse and investigate networks within the local industrial sector. On top of her research profile, she has also acquired management skills by handling the organization of a Business Convention for the car industry.

Henry Cust

Henry Cust

Assistant Research Officer

Henry’s background is in economics earning his BSc in Economics at the University of York. After this he specialised in international development, gaining an MSc in Economics and Development Economics from the University of Nottingham. During his studies he took an interest in health, particularly of children, undertaking research projects looking at health outcomes from free school meals in India and fresh water provision in Tanzania.

His main work experiences lie in the healthcare sector spending time with the Southern Derbyshire Clinical Commissioning Group in the information team,then moving to King’s College London as a health economist performing economic evaluations on a wide variety of RCT’s and cohort studies.

Key projects Henry worked on were a project looking at the total healthcare costs accumulated by people in their final 6 months of life and an RCT investigating the effect of Cognitive Behavioural Therapy (CBT) on the quality of life for patients with debilitating persistent physical symptoms without relying on medications.

Linda Terenzi

Linda Terenzi

Assistant Research Officer

Linda holds a Bachelor’s degree in Development Economics and International Cooperation and a Master’s degree in Economics and Development, both from the University of Florence. The academic education gave her a multidisciplinary perspective in analyzing development related issues, combining both qualitative and quantitative methods.

Her main areas of interest are gender economics, migration and agricultural economics. During the Master course she spent one semester at Bogazici University in Turkey, attending courses on gender economics and environmental economics. Previous working experiences include an internship at CSIC (Spanish National Research Council) in Madrid analyzing migrants’ reception systems; an internship at IRPET (Tuscan Regional Institute for Economic Planning) on international trade, off-shoring and back-shoring. Linda has also partaken in a traineeship based in Benin studying national educational systems.

Always concerned about social justice, for many years Linda has volunteered in NGOs, associations and civil groups, gaining relational, organizational and adaptability skills.

Artee Gungah

Artee Gungah

Commercial Assistant

Mark Jordan

Mark Jordan

First Line Software Support Consultant