Connecting countries to climate technology solutions
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Who we are


Rose Mwebaza

Director and Advisory Board Secretary, Climate Technology Centre & Network
Dr. Rose Mwebaza (PhD) is the Director of CTCN and brings 20 years’ experience providing policy advice on a wide range of climate change, environment and sustainable development issues. She has previously served as Chief Natural Resources Officer at the African Development Bank, and held leadership positions within the UN Development Programme. Dr. Mwebaza was a Lecturer at Makerere University, Kampala, Uganda, for 10 years, serving as the Head of Department for Commercial Law, and Deputy Dean of the Law School. Rose holds a PhD in Environment and Natural Resource Governance from Macquarie University, Sydney, Australia; a Master’s Degree in International Comparative Law (With a Certificate of Academic Excellence) from the University of Florida, U.S.A and a Bachelor of Law Degree (LL.B, Hons.) from Makerere University, Kampala, Uganda.

Tomoo Machiba

Deputy Director
Mr. Machiba leads the Centre’s efforts for actively engaging its donor countries, multilateral financial institutions, Consortium and Network members, the private sector and other stakeholder groups, as well as improving the monitoring, evaluation and reporting of CTCN projects. Tomoo has 20-year experiences of working with governments, industry and NGOs in advising on a range of climate change-related issues. Originally trained as a journalist, Tomoo previously served for the United Arab Emirates Ministry of Climate Change and Environment, International Renewable Energy Agency (IRENA), the Organisation for Economic Co-operation and Development (OECD), the Collaborating Centre on Sustainable Consumption and Production (CSCP), Global Reporting Initiative (GRI) and SustainAbility Ltd.

Rajiv Garg

Regional Manager - Africa
Rajiv is managing CTCN activities in Africa and West & Central Asia. In addition he is also managing activities in Asia Pacific and LAC region on an interim basis for the last 1 year. Rajiv has over 26 years of experience on issues related to climate technologies in developing countries. Prior to working for UNEP, he worked for 15 years in the Indian Government on policy issues and led implementation of a number of programmes and initiatives on energy, water management, Remote Sensing and GIS, pollution minimization and control, waste management, EIA, resource efficiency & cleaner production and Green Productivity. He has a Masters in Engineering (environment and water resources), PGCert in Industrial pollution prevention and control and is a Certified Energy Auditor and Manager.

Federico Villatico Campbell

Strategic advisor
Federico supports the CTCN with strategic advice on climate technologies and technology transfer. Prior to joining CTCN he worked for several years on renewable energy, energy storage and sustainable transport sectors in academia, international organisations, and the private sector. His background is in mechanical engineering, complemented by a PhD in Energy Technologies for Sustainable Development.

Karina Larsen

Knowledge and Communications Manager
Karina is responsible for the CTCN’s communications and outreach strategy. She also manages the knowledge management system which aims to facilitate sharing of technology information among climate stakeholders. As Gender Focal Point, Karina advises and supports the Secretariat on the implementation of gender mainstreaming within CTCN operations. Ms. Larsen has over twenty years’ experience in global environment and health issues, with previous positions at UNFPA; the Council of Women World Leaders; the Office of the Prime Minister of Iceland, and the American Cancer Society.

Manfredi Caltagirone

Programme Officer
Manfredi is the UN Environment – CTCN liaison. He is responsible for collaborations with the Green Climate Fund and Multilateral Development Banks in addition to supporting capacity building activities. Prior to joining UN Environment, he worked as policy advisor on climate technologies at the Italian Ministry for the Environment. He has been a Research Fellow at the United Nations Foundation and at the Belfer Center for Science and International Affairs at the Harvard Kennedy School. Manfredi holds a J.D. from the II University of Rome, and a MPA at the Harvard Kennedy School.

Giulia Ferrini

Associate Programme Officer
Giulia coordinates the development and implementation of CTCN capacity building activities. She has experience in the design, implementation and evaluation of climate change projects. Her experience led her to work with governments, international financing institutions, the private sector and not-for-profit organisations involved in climate change mitigation. Her background is in political science and international relations.

Nima Joshi

Finance & Administration
Nima is an MBA in International Management, with extensive experience in management reporting (implementation, revenue, cash flow etc.). She joined CTCN’s Finance and Administrative team since the beginning of its operation i.e., in February 2014. She works closely with the CTCN Director and other colleagues to ensure effective functioning, coordination, planning and monitoring of various activities and projects, including Finance (budgeting, reporting), Grants Management (Agreements with Partners, UN to UN Agreements).

Bibiana Sanchez

Programme Management Assistant
Bibiana supports the Climate Technology Centre’s financial and administrative team, ensuring effective functioning, coordination, planning and monitoring of the Centre’s activities and operations, including administrative activities related to meetings and forums, human resources, procurement and grants management. Bibiana has an Master of Science in Environmental Engineering from the Technical University of Denmark. In addition, she has a Master Certificate in Human Resources from Cornell University. Before joining the Centre, Bibiana worked for the World Health Organization and UNICEF Supply Division.

Ho-Sik Chon

Adaptation Specialist, Asia-Pacific
Ho-Sik supports the CTCN in the design and implementation of adaptation requests. He has researched climate technologies which either mitigate greenhouse gas emission or enhance resilience against climate risk. Ho-Sik holds a PhD in Water Management from the Centre for Environmental Policy, Imperial College London, UK and an MSc in Environmental Geochemistry from Department of Geosystem & Environmental Engineering, Hanyang University, South Korea.

Irma Juskenaite

Communications Associate
Irma has more than 12 years experience in Public relations. She supports international communication activities of the CTCN. During her career Irma worked with high level politicians, well known international companies and NGOs on strategic communications planning, message development, media relations, she acted as a spokesperson for the Mayor of the capital of Lithuania too. Irma holds a Master’s degree in International Communications and a Bachelor of Journalism degree. She is pursuing her Executive MBA at Copenhagen Business School.

Elizabeth Mwangi

Capacity Building Associate, East and Southern Africa & West and Central Asia
Elizabeth supports the implementation of CTCN capacity building activities for African countries to build their climate resilience and adopt to low carbon development. She has a Master of Arts in Environmental Policy and a Bachelor of Science in Meteorology. Elizabeth has experience in research and projects on monitoring and evaluation (M&E). Prior to joining CTCN, she worked as a project manager in Integrated Green World Solutions where her project portfolio included environment and climate change and previously with the Deutsche Gesellschaft für Internationale Zusammenarbeit GmbH (GIZ) as a Research and M&E associate.

Sambit Nayak

Mitigation specialist, Asia-Pacific
Sambit is a clean energy and climate change professional with several years of experience in managing and delivering advisory assignments. Prior joining CTCN, he was working with United Nations Development Programme (UNDP) India as a Program Manager in the Chemicals and Waste Management vertical. He has also worked as a regional manager on clean energy and climate related projects for a climate change advisory firm in Thailand. Sambit is an engineer and MBA in Power Management from National Power Training Institute India. He is also a certified lead auditor in environment management system.

Judit Rodríguez

Mitigation Specialist - LAC, West and Central Africa
Judit supports the Latin America and the Caribbean group and the Francophone Africa group. She has experience in energy transition research in Rwanda in collaboration with the UNEP-DTU Partnership, and in renewable energy projects in the private sector in Sweden. Judit holds a Master’s degree in Energy Engineering from the Polytechnic University of Catalonia (BarcelonaTech), and in Climate Change from the University of Copenhagen.

Ramiro Salinas

Liason, Latin America and the Caribbean
Ramiro has almost 8 years of experience at the climate change science-policy interface, including on assessment of various aspects of environmental and natural resources management within the context of programmes and projects dealing with sustainable development, mitigation and adaptation to climate change technologies. Through his work in international organizations and the private sector he has achieved broad expertise in multi-country initiatives. Ramiro liaises and supports the Centre's technical assistance, capacity building and networking activities in Latin America and the Caribbean.

Shanar Tabrizi

Knowledge Management Specialist
Shanar supports the CTCN with regard to climate technology knowledge management, gender mainstreaming and partnerships. She has experience with research and projects on circular economy, waste management and renewable energy in Sweden, South Africa and Mozambique, and holds a Master’s degree in Environmental Engineering and a Master's in Sustainable Technology from the Royal Institute of Technology in Stockholm.

Daye Eom

Network Engagement
Daye supports the network and partnership of the CTCN by assessing network applications and identifying network engagement strategies. Daye has MSc in Engineering Systems and Management from Masdar Institute of Science and Technology and BSc in Environmental Engineering at Ewha Womans University. She has studied energy poverty issues in Tanzania and in particular built a decision support tool using agent based modeling approach. Previously, she worked at Global Green Growth Institute (GGGI) in Seoul, and UNEP GGKP office in Geneva.

Woo Jin Lee

Senior Innovation Specialist
Dr. LEE supports the CTCN's cooperation with UNFCCC bodies and new stakeholders as innovation mobilizer. He brings over 10 years’ experience as R&D specialist with a PhD in Mat. & Sci. Eng. from KAIST. Before joining the CTCN, he served as director of policy divisions on various S&T fields for 15 years, at the Ministry of Science and ICT, Republic of Korea.

Susanna Matevosyan

CTCN Coordination Consultant
Susanna supports the coordination of CTCN Technical Assistance requests funded by the Green Climate Fund under the Readiness and Preparatory Support Programme and provides further assistance in developing reports for donors and establishing reporting procedures. Susanna is a laywer by training specialized in international public law. In addition to that, she holds a Master’s degree in International Relations from Paris VIII University and a Master’s Degree in Sustainable Development and Organisational Analysis from Paris-Dauphine University, France. Prior to joining the Centre, Susanna worked as a Coordinator in non-governmental organizations and as a Programme Management Consultant in the UN Environment office in Geneva.

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