Our team in Sierra Leone

Mr Nsubuga has 29 years of experience with the UN, including 26 years with WFP. Most recently, he served for three years in South Sudan as Deputy Country Director. Before that, he was assigned for five years to WFP’s Eastern African Bureau in Nairobi as Regional Logistics Officer. He also served at WFP country offices in Sudan, Ethiopia, Angola, Kenya, Angola, and at HQs in Rome.
Mr Nsubuga holds a master's degree in Transport Planning and Engineering from Leeds University, UK.

On 28 August 2018, the Director-General of UNESCO appointed Mr. Dimitri Sanga (Canada), Director of the UNESCO Multisectoral Regional Office for West Africa (Sahel) in Dakar (Senegal) and UNESCO Representative to Senegal, Burkina Faso, Cabo Verde, Gambia, Guinea-Bissau and Niger.

He officially took up his duties on 1 September 2018, and OIC of UNESCO Abuja Multisectoral Office on 1st January 2021.

He holds a PhD and a Master's degree in Economics with a specialisation in econometrics from Laval University (Canada), as well as a Bachelor's degree in Wood Science and Engineering from the same institution. Mr Sanga began his professional career in 1999 in the teaching of micro- and macro-economic sciences at the University of Ottawa (Canada), in parallel with a career as a Statistical Economist (1999-2004) with the Government of Canada.

In 2005, he joined the United Nations as Head of the Statistics Team at the United Nations Economic Commission for Africa - UNECA (Addis Ababa, Ethiopia). In 2006, he was appointed Head of Statistical Development and Data Management at UNECA. In 2010, he was appointed Director of the Statistics Division of the Economic Commission for Africa.

Before joining his post in Senegal, he was, since September 2013, the Director and Representative of the Sub-regional Office for West Africa of the United Nations Economic Commission for Africa, based in Niamey (Niger).

Dr Nestor Azandegbe is Officer in-Charge, UNFPA in Sierra Leone. He served as Resident Representative of UNFPA in Niger from 2016 to 2018. Prior to that he had worked as regional advisor on Maternal Health at UNFPA West African Regional Office (WCARO) in Dakar-Senegal from 2011 to 2016, and at WHO Regional office for Africa in Brazzaville-Congo from 2005 to 2011.
He is a Medical Doctor specialised in Public Health and Obstetrics and Gynaecology. Prior to joining the UN System, he worked as Chief District Medical Officer and Director of Family Health in Benin from 1996 to 2001, and as Technical Adviser to the Minister of Health from 2001 to 2005.

Ms Martin (South Africa) joined the Bank in 1997 and has since held various positions, her most recent assignment being Program Leader covering the Human Development Global Practices and the Agriculture Global Practice, as well as the following Cross-Cutting Solution Areas: Jobs; Gender; and Fragility, Conflict and Violence while being based in Dar es Salam and covering Tanzania, Burundi, Malawi and Somalia. Her current appointment as Country Manager for Sierra Leone took effect in April 2018.
Ms Martin holds a PhD in microeconomics from Harvard University.

Before his current role, Mr Ahemesah ( Ghana) has worked since 1997 with UNAIDS in Ghana, Nigeria, Liberia and Malawi in different positions. He also worked with the Catholic Relief Services (CRS), the Voluntary Service Overseas (VSO), the Netherland Development Organization (SNV).
Mr Ahemesah is a public health practitioner. He holds a Master of Public Health in Health Systems Management from Tulane University, USA and a Master’s in Health Development from Royal Tropical Institute, Netherlands.

Dr Bagonza James (Uganda) has more than 15 years' experience in migration management, public health, disaster management and emergency response. He has worked with IOM for six years in various capacities, most recently as a program manager. He led IOM's Ebola response mission in Sierra Leone during the 2014-2016 Ebola outbreak.
He holds a Bachelor of Medicine and Surgery and a Master of Public Health degrees from Makerere University, Uganda.

Ms Mariatu SWARAY was appointed UNIDO Sierra Leone Country Representative in March 2017. Previously, she worked with UNDP Sierra Leone as the Energy and Environment Programme Specialist and led the development of key initiatives in climate change environment and development. She has also worked with the Government of Sierra Leone and a private firm. She holds a B.A. and M.A. from the University of Sierra Leone

Ms Newiak started her work as IMF Resident Representative for Sierra Leone in September 2019. At the IMF, she has on a broad range of countries and issues in sub-Saharan Africa, including Ghana, the West African Economic and Monetary Union, The Gambia, and most recently as a Senior Economist for Nigeria.
She holds master's degrees in business administration and economics, and a PhD in economics from Munich University.

Mr Gardner was appointed Country Manager for UNOPS Sierra Leone in July 2016. He is a Chartered Engineer with over 25 years’ experience in the design and project management of infrastructure projects worldwide with both the private and public sector. He joined UNOPS as a Project Manager in South Sudan in 2009 and afterwards moved to UNOPS HQ in Copenhagen as the Head of Construction Management.

Dr Nyabenyi Tipo was appointed FAO Country Representative in Sierra Leone in 2016 after joining the organization in 2102. She has over 25 years of development work experience, including with African Development Solutions,Vétérinaires Sans Frontières and Save the Children UK.
Dr Tipo holds a bachelor’s degree in veterinary sciences from the University of Khartoum and MSc in Veterinary Epidemiology and Economics from the University of Nairobi.

Mr. Pa Lamin Beyai, from The Gambia took up assignment as Resident Representative in Sierra Leone on 27 January 2021. He has over 27 years of technical, development management and leadership experience, including over 22 years in the United Nations System.

Prior to this appointment, he served as Resident Representative, UNDP Liberia (2019 - 2021) . He also served as UNDP Country Director in Liberia (2017 2019), UNDP Country Director in the Federal Republic of Nigeria (2013-2017); Economic Advisor & Team Leader, Inclusive Growth Cluster at the UNDP Ghana from (2009-2013); Health Economist at WHO Inter-Country Support Team for Eastern and Southern Africa based in Zimbabwe; supporting 18 countries in Eastern and Southern Africa in immunization programme planning, implementation, monitoring and evaluation, and advising on Financial Sustainability of introducing new Vaccines in health systems; Health Economist at the World Health Organization (WHO) Office in The Gambia (1999 - 2006).

Before joining the UN, Pa Lamin held various positions of increasing responsibility at The Gambia Public Transport Corporation (GPTC) from (1994-1999), including as Senior Manager Administration & Human Resources (1997-1999), Manager Corporate Management Services (1995-1997), and Corporate Management Services Officer (1994-1995).

Pa Lamin holds a Ph.D. in Economics with a focus on Health Economics, from London School of Hygiene & Tropical Medicine, University of London, United Kingdom; a Master of Science in Finance (Economic Policy) from School of Oriental & African Studies (SOAS), University of London, United Kingdom; a Master of Business Administration (MBA) from University of Newcastle Upon Tyne, United Kingdom; a Bachelor of Science (Honours) in Economics from Fourah Bay College, University of Sierra Leone; and a Postgraduate Diploma from Curtin University of Technology, Australia.

Mr Suleiman Braimoh's career with UNICEF spans over 21 years of serving in different senior capacities, including UNICEF Representative for Liberia (2016 – 2019), Eretria (2013 – 2016) and Guyana and Suriname (2009 – 2013).
Dr Braimoh holds a PhD and a Master of Science (M.Sc.) in Sociology, University of Wisconsin (USA) and a Bachelor of Science in Sociology and Anthropology from the University of Benin (Nigeria).