Turning sustainability challenges into clear strategies and measurable outcomes through science-based solutions.
Faiz serves as Business and Operations Manager at Bestari Sustainability. An economist and urban planner, he brings over ten years of experience in feasibility studies, financial modelling, market research, and development planning. He has contributed to more than 20 master planning and feasibility projects across infrastructure, tourism, industrial, and urban development sectors, alongside capacity-building initiatives for water and climate resilience. His expertise combines economic analysis, project management, and stakeholder engagement to translate complex development challenges into practical strategies. He holds a Bachelor of Engineering in Urban and Regional Planning.
Hajrah has over nine years of experience in WASH and water resources consulting across the government, multilateral donor, and private sectors. She specializes in climate risk assessment, water utility performance, and programme management that drive measurable water security and sanitation outcomes. She holds a Master’s degree in Water Resources Engineering and Management from the University of Stuttgart, Germany.
Cinta is a Junior Corporate Sustainability Analyst focusing on GHG accounting for organizations and events. She has strong hands-on experience in biomass and carbon stock estimation, alongside LULC analysis using remote sensing and GIS tools. She holds a Bachelor’s degree in Forest Management from IPB University.
Yenny has six years of experience in sustainability consulting across the hospitality and commercial sectors. She specializes in carbon accounting, net-zero roadmaps, waste management & resource efficiency programs that drive measurable environmental impact. She holds a Bachelor’s degree in Environmental Engineering from Universitas Indonesia.
Yanuar Sulistiono serves as Director of Bestari Sustainability, leading ESG, climate, and circular economy solutions. With over 15 years of experience across sustainability, operations excellence, and supply chain, he specializes in business transformation and strategic partnerships. He has held leadership roles in logistics and e-commerce, driving efficiency, risk management, and compliance. Yanuar holds an MBA from Jakarta University and a bachelor’s degree from Trisakti Institute of Transportation and Logistics.
Herlin works as policy research analyst assisting the Sustainable Packaging study and piloting program. She has been studying the plastic pollution issue for more than a year as part of Indonesia NPAP/WRI Indonesia and Bestari. Herlin’s interest is on public policy, environment, and human rights. She holds a degree in Law.
Widya has over 6 years of experience in financial administration. She has strong expertise in financial reporting, budgeting, and administrative processes. She ensures smooth operational and financial workflows, contributing to effective and accountable project implementation.
Daffa focuses on climate strategy communications and corporate sustainability engagement for over 1 year, helping companies translate climate ambition into measurable action. He crafts compelling narratives and simplifies complex climate concepts into clear, actionable strategies to ensure effective implementation and tracking. Daffa holds a Bachelor’s degree in English Literature from BSI University.
Rahma has practical experience across multiple industries, focusing on GHG inventories (ISO 14064 Verification Validation), and the implementation of various ISO standards. She has supported companies in improving environmental performance and aligning with sustainability goals. She holds a Bachelor’s degree in Environmental Engineering from Universitas Brawijaya.
Almira is an environmental engineer with over six years of experience in waste management system design, circular economy strategy development, and community-based environmental projects. She holds a Master’s degree and a Professional Engineer certification, specializing in environmental management and technology. She also participated in a fellowship program at the Waste Management Department at Mecklenburg County, North Carolina.
Tatwa works at the intersection of corporate climate strategy and environmental science research. With 6+ years across consulting, corporate sustainability, policy, and ongoing PhD research in hydrothermal carbonization at Ghent University, Tatwa leads his team to help companies translate net zero ambitions into credible, data-driven decarbonization roadmaps.
Nailah has assisted holding companies and SMEs which have achieved SBTi validated net zero targets. With over 3 years experience at WRI Indonesia, she has been engaged with over 50 companies and possessed expertise ranging from GHG Accounting to science-based target setting. Nailah earned a Business degree from the Bandung Institute of Technology, including an exchange program at the University of Pennsylvania.
Tomi Haryadi is the Director for Food, Land, and Water Programme at World Resources Institute (WRI) Indonesia. With 20+ years of experience in environmental programs across Asia, including roles with international organizations, he brings strong expertise in program management, partnerships, and sustainable development. He holds degrees in Chemistry from the University of Indonesia and Environmental Planning and Management from IHE Delft, the Netherlands.
Tieke leads Human Resources at WRI Indonesia, bringing 20+ years of experience across international development and private sector organizations. With expertise in HR strategy, compliance, and organizational development, she has held senior roles at Save the Children, Coffey International, and P&G, and holds a degree in Public Law.
Anthony Utomo drives renewable energy initiatives at KADIN, advocating for policies that accelerate clean energy adoption and innovation. With leadership roles in the solar PV industry and as Managing Director of Utomodeck Group, he advances low-carbon solutions across manufacturing, mobility, and renewable project development while fostering international collaboration and sustainability.
Ary brings 15+ years of experience in planning, monitoring, evaluation, and learning across community development, climate change, governance, and social inclusion. With strong expertise in project design and risk analysis, he has supported initiatives with organizations such as UNDP and The Asia Foundation, and holds a degree in Communication Studies from Universitas Gadjah Mada.
Arief Wijaya is the Managing Director of WRI Indonesia with responsibilities to oversee programs in land use, climate, energy, cities, and oceans while advancing climate and forest initiatives. With expertise in forest landscape management, REDD+ MRV, and low-carbon development, he holds a PhD in Geoinformatics from TU Bergakademie Freiberg and an MSc from ITC Netherlands.