Our diverse network of experts from over 20 countries shapes our collaborative approach, combining local expertise with the latest global insights. This makes sure all our projects are based on the latest evidence and are contextualised for the location.

South Asia

Dr. Satish Kumar
President and Executive Director of AEEE

Dr. Satish Kumar, Executive Director of the Association for an Energy Efficient Economy, (AEEE) Delhi, India. Satish has been a member of the GBPN Technical Advisory Committee and served on GBPN’s Board of Directors for two years…

Dr. Saket Sarraf
Principal at ps Collective

Dr. Saket Sarraf is the founder and Principal at ps Collective, a collaborative platform for advocacy, research, policy analysis, and consultancy that works on issues related to…

Shatakshi Suman
Director at I-Con Architects & Urban Planner

Shatakshi Suman is Senior Research Associate at the Alliance for an Energy Efficient Economy. With more than nine years experience in policy advocacy, building energy code development and…

Aarti Nain
Energy Efficiency Specialist

Aarti Nain is an energy efficiency policy specialist with expertise in healthy and net zero energy buildings, sustainable cooling, energy efficiency financing and ESCOs, utility DSM programs and market development for…

Jaydatt Vaishnav
Director at I-Con Architects & Urban Planner

Jaydatt Vaishnav has been leading I-Con Architects & Urban Planners since 2010 and Livingroots Environmental Design Studio since 2019 & Conifur since 2017. He has designed several…

Shravani Tummalapalli
Project Associate at the Climate Centre for Cities, NIUA

Shravani Tummalapalli is a Project Associate and Researcher at the National Institute of Urban Affairs (NIUA). Shravani is also a Core Working Group member of GBPN’s JINDA-Gujarat Core Working Group, where she…

 Tanmay Tathagat
Director at Environmental Design Solutions (EDS)

Tanmay Tathagat leads Environmental Design Solutions (EDS). EDS is a multidisciplinary consulting firm working on climate change policies, energy…

Ashok Behari Lall
Principal of Ashok B Lall Architects

Ashok Behari Lall has been leading the Ashok B Lall Architects since 1981. He is committed to environmentally sustainable and socially responsible architectural practices. With an interest and expertise in…

Selvarasu Maru
Managing Director at LEAD Consultancy and Engineering Services (India) Pvt Ltd, Bengaluru
Selvarasu Maru is the Managing director of LEAD Consultancy and Engineering Services, One of the market Leaders in MEP and green design in India. He has over 30 years of experience in…

Southeast Asia

Dr. Muhammad Nur Fajri Alfata

Muhammad Nur Fajri Alfata is a researcher at the Directorate of Engineering Affairs for Human Settlements and Housing, Ministry of Public Works and Housing, the Republic of Indonesia. His main research interest is energy conservation in…

Dr. Noor Suzaini Binti Mohamed Zaid
Lecturer at University of Malaya

Dr. Suzaini Zaid is currently teaching at the Department of Building Surveying in the Faculty of Built Environment, University of Malaya. She has teaching and research experience in the fields of…

Dr. Woerjantari Soedarsono 
Lecturer at Bandung Institute of Technology

Since 1988, Dr. Woerjantari K. Soedarsono, better known as Ririn, has been a lecturer at Institut Teknologi Bandung (ITB), where she teaches undergraduate and master students in…

Totok Sulistiyanto Wardoyo
Director of PT Narama Mandiri

Totok Sulistiyanto is the director of PT Narama Mandiri. Green Building and Energy Audit are among his core expertise and he has been running an…

Yodi Danusastro
Director of Yodaya Hijau Bestari

Yodi Danusastro founded Yodaya Hijau Bestari – Indonesian based Green Building Consultant in 2014 and has led it since then. His company provides green building assisting services and…

Jimmy Siswanto Juwana
Faculty member and PhD candidate at Trisakti University

Jimmy Siswanto Juwana is a faculty member and Subject Matter Expert for Prodi Architecture at Trisakti University, since 1979. Currently, Jimmy is working on his…

David Sagita
Board of Advisor at Center for Climate and Urban Resilience

David Sagita is the co-founder of Nusa Gastronomy Foundation and sits on the Board Of Advisors at Yayasan Ayo Lestarikan Kota. He is a member of GBPN’s HIDUP Core Working Group in…

Dr. Hanny Berchmans
Director of Advance Energy System in USAID

Dr. Hanny Berchmans is the director of Advance Energy System in USAID – SINAR, where he leads clean energy project programmes. His clients include renewable energy developers, investors, banks, financial…

Assoc Prof. Ibu Poppy Ismalina
Associate Professor in Economics at the University of Gadjah Mada

Dr. Poppy Ismalina is an Associate Professor in economics at the University of Gadjah Mada, Indonesia. Her research interests include Economic Valuation for Environmental and Natural Resources…

Jon Respati
Chairman of Indonesia Energy Conservation and Efficiency Society (MASKEEI), Founder and President of Indonesia Institute for Energy Evaluation

Jon Respati established and has been leading Indonesia Energy Conservation and Efficiency Society (MASKEEI) since 2014, where he partners with the Indonesian government and…

East Asia

Dr. Hao Bin

Hao Bin is Senior Expert for the GBPN executive team. Hao Bin is chief of the Building Energy Efficiency Division at the Centre of Science and Technology of Construction (CSTC), MOHURD. He…


Dr. Ezilda Costanzo
Senior researcher at ENEA

Dr. Ezilda Costanzo is a researcher at ENEA Department of Energy Technologies and Renewables. Her skills and expertise straddle Energy Policy, Sustainable Construction and Cities, Energy Performance in Buildings…

Dan Staniaszek
Senior Expert at BPIE

Dan Staniaszek is a senior expert of Buildings Performance Institute Europe (BPIE). He has been engaged with the GBPN family since 2011 on topics such as policy appraisal, modelling, financing, knowledge management and…

Oliver Rapf
Senior Expert at BPIE

Oliver Rapf is the executive director of Buildings Performance Institute Europe (BPIE), a think-tank with a focus on energy and the built environment. He is an expert in NGO management and strategy development, private sector climate change strategies, energy and…

Prof. Diana Ürge-Vorsatz
Professor at Central European University

Diana Ürge-Vorsatz is a full professor of Environmental Sciences at Central European University (CEU). Her research areas straddle building energy use, energy and building policies…

Latin America and the Caribbean

Prof. Roberto Lamberts
Professor at the Federal University of Santa Catarina, Brazil

Roberto Lamberts is a full professor at the Federal University of Santa Catarina, Brazil, and leads the Energy Efficiency Laboratory in Buildings (LABEEE), which aims…

Cesar Ulises Trevino
General Director of Bioconstruction and Alternative Energy

Cesar Ulises Trevino is the founder and general director of Bioconstruction and Alternative Energy, a pioneering and leading consulting company…


Philip Harrington
Principal of Strategy. Policy. Research

Philip Harrington is the founder and principal of “Strategy. Policy. Research”, an ecosystem of consulting economists, researchers and analysts who specialise in making the business case for…


Prof. Ian Hamilton
Professor of Energy, Environment and Health at the UCL Energy Institute, University College London (UCL)

Ian Hamilton is a Professor of Energy, Environment and Health at the UCL Energy Institute, where he works on the nexus of energy, environment and health in the built environment. His work focuses on…

Adam Hinge
Managing Director of Sustainable Energy Partnerships

Adam Hinge is the managing director of Sustainable Energy Partnerships, a small consulting firm specializing in energy efficiency programs and…

Prof. Greg Foliente 
Professor at the University of Melbourne and Director of nBLue Pty Ltd

Greg Foliente is an academic, research scientist and expert consultant in sustainable and resilient built environment, and in climate mitigation and adaptation. He is a conference speaker, workshop…

Meredydd Evans
Senior Staff Scientist at PNNL

Meredydd Evans is a Senior Expert for the GBPN executive team. She is an energy policy and finance expert with over 20 years of international experience and has worked on energy efficiency and clean…


GBPN runs innovative building policy reform programs in key regions around the world that aim to tackle the climate emergency. Stay up to date with our bi-monthly newsletter.