Murefu is the Managing Partner at EED Advisory Limited, which is a multidisciplinary consulting firm with service offerings in energy, water and climate change. He is an experienced renewable energy and energy access consultant having led engagements for several clients including the World Bank Group, UN agencies, UK Department for International Development (DfID), Government of Kenya (Ministry of Energy and Petroleum), Government of Tanzania (Ministry of Energy and Minerals) and Government of Rwanda (Ministry of Infrastructure). Among other assignments, he supported the World Bank Group design a US$ 5-million 5-year program in Tanzania (SREP) to support private investments in mini-grids and the Agence Française de Développement (AFD) and the Department for International Development (DfID) develop a £30-million project to support mini-grids in Kenya. He previously worked for Practical Action – Nairobi, Camco Clean Energy - Nairobi and for the African Development Bank – Tunis. Murefu holds a BSc in Environmental Studies from Kenyatta University (Kenya) and a Masters in Environmental Science from Yale University (USA).