Our consultancy team comprises 7 permanent experts with 15 to 30 years of expertise in the technical, economic, financial and social aspects of energy and environment programs.

  • Maurice PIGAHT

    Project development Expert

    Managing Director


    Maurice Pigaht is the Managing Director of MARGE since 2018. His work as a consultant on renewable energy in developing economies focuses on project development, energy sector policy, project finance advisory, energy business development and public-private partnership schemes. He has over 17 years professional experience in technical, project management and policy issues relating to solar PV, hydropower and biomass projects. He has planned, evaluated and implemented projects for GIZ, KfW, the EU, the World Bank, BTC, national governments and private sector clients.
    Masters in Mechanical Engineering (MEng) from Imperial College, London. Masters in Business Administration (MBA) from Open University, UK.

  • Samuel Martin

    Energy access specialist

    Africa Regional Director


    Samuel Martin has almost 15 years of professional experience in energy access, renewable energy and energy efficiency. Specialist in decentralised rural electrification and biomass energy, particularly in developing innovative policies for renewable energy, he has worked on 3 continents (Africa, Asia and South America) for NGOs, research centers, consulting firms and the United Nations. In this context, he studied, developped, managed, evaluated and coordinated the implementation of projects aiming at improving energy access for the poor through the efficient use of renewable energy.
    Master in Mechanical Engineering (Swiss Federal Institute of Technology in Lausanne) and Specialisation Certificate in Technology and Sustainable Development (Indian Institute of Technology in Madras - IITM).

  • Marina BRUTINEL

    Sustainable development, climate and energy expert

    Director of Research


    Marina works as a consultant since 2005. Her experience ranges from high-level political consultancy services in the field of sustainable development strategy to, more recently, project-based assignments in climate and energy related fields. Her skills include project evaluation and development as well as economic analysis.
    Masters in Economics of Sustainable development, Université d’Auvergne (France) and in Political Science, University of Bath (UK). Degree in Business and Economics, ESSCA (France). 

  • Andrea Ranzanici

    Mini-grid and business development expert 

    Director of Operations


    Andrea Ranzanici is partner of MARGE. He is an engineer and MBA specialised in the field of rural electrification, particularly in solar and hydropower. He has carried out short- and long-term assignments on behalf of the GIZ, DFID, World Bank, and international consulting firms. His skills include the identification, the formulation, and the management of rural electrification projects in collaboration with the private sector, as well as technical assistance for the formulation of new energy policies.
    MBA Renewables (Beuth University/RENAC), European Joint Master in Management and Engineering of Energy and Environment (ME3) from UPM Madrid (Spain), EMN Nantes (France) and KTH Stockholm (Sweden). 

  • Rachel Friedman

    Private sector development expert


    Based in Rwanda, Rachel Friedman is a renewable energy expert, specialized in private sector development and finance. Rachel has more than a decade of experience working with the private sector, development partners and government institutions ; she has worked both in the on- and off-grid energy sectors. Before joining MARGE, at the beginning of 2019, she worked as a Transaction Advisor for Rwanda and Burundi under USAID’s Power Africa initiative. Prior to that, she worked for DFID’s ELAN RDC to bring renewable energy goods to market in the DRC and was the Chief Financial Officer of a solar energy company based in Rwanda for four years. 


    Master in Planning, Environment and Trade in the Developing World, Université Paris-Sorbonne (France). Bachelor’s Degree in International Relations, Hobart and William Smith Colleges (USA).

  • Robert Jan VAN DER PLAS

    Energy economist

    Senior Advisor


    Robert van der Plas was the Managing Director of MARGE from 2013 to 2018 and remains a senior partner and shareholder. Since joining MARGE in 2001 after 16 years at the World Bank, he has designed, supervised, evaluated, and managed numerous energy efficiency or energy access projects and programs throughout Africa and Asia. His experience of over 30 years includes promoting public private partnerships, developing markets, and the sustainable use and supply of renewable energy including wood fuels. He has worked in many developing countries in Africa & Oceania, Asia & Pacific, Latin and Central America.
    Graduate of Twente University in the Netherlands (Applied Physics, Development Studies).

  • Claire BOUISSIERE

    Administrative assistant


    Claire joined MARGE in 2013 as administrative and financial assistant. She assists MARGE team in managing MARGE activities: contracting, tender prospection and preparation, daily administration, finance, accounting, logistics, internal and external communication, and background studies, etc. She has more than 16 years experience in company administration and management.
    Master degree “Cultural development strategy” in Avignon University (France). Graduated from Political Sciences, Institut d’Etudes Politiques de Toulouse (France).