Net Zero, Simplified.
Helping organizations turn sustainability commitments into measurable, science-based action.
Accelerating Indonesia's decarbonization journey across industries backed by science.
We exist because the gap between sustainability ambition and credible action is still too wide. Companies want to do the right thing. They face real pressure from regulators, investors, and buyers to demonstrate measurable progress.
But translating global frameworks like SBTN, SBTi, GHG Protocol, etc., into practical, company-specific action remains a genuine challenge, especially across Southeast Asia’s diverse industrial landscape. That is the gap we are built to close.
Through science-based methodologies, hands-on implementation support, and deep sector expertise across climate, nature, and circular economy, Bestari helps organizations measure what matters, set credible targets, and report progress that stakeholders can trust. We work alongside our clients until sustainability is fully embedded in operations.
From Research to Real Impact
Here's how our journey began to accelerate company decarbonization journey
2021
Incubated Within WRI Indonesia
Established to bridge research and business, transforming frameworks into practical solutions.
2024
Establishment & Market Entry
Officially established as a private company, expanding partnerships and scaling impact across sectors.
2025
Expanding Impact & Influence
Appointed to lead Science Based Targets Network (SBTN) initiatives in Southeast Asia, expanding services beyond climate into nature and circular economy.
2026
Driving Measurable Results
Focusing on embedding deep sustainability workflows across diverse business sectors, standardizing science-based corporate roadmaps, and leading technical advisory initiatives across the region.
Our Impact Since Founding
Across Indonesia (Sumatera, Kalimantan, Java), trusted by leading names shaping the economy.
Total emissions assessed across energy, agribusiness, manufacturing, construction, and consumer goods sectors.
Through SBTN outreach in 2025 alone, acting as Southeast Asia Regional Coordinator.
Speaking engagements at WBCSD Nature Reporting, SBTN Corporate Engagement, RSPO, and more.
Our Vision
To be a catalyst for Indonesia’s sustainability transformation, driving tangible climate action through credible measurement, cost-efficient solutions, and science-based approaches that create long-term value for business, society, and nature.
Our Mission
Making sustainability work.
To ensure that every sustainability action a company takes is measurable, meaningful, and aligned with science. We partner with organizations to achieve their net zero targets while optimizing business operations, and we make complexity accessible by translating the science into the clearest, most actionable path forward.
What We Do
Bestari works across three interconnected areas that define the frontier of corporate sustainability today.
Climate
From GHG inventory and emissions baseline to science-based target setting, SBTi validation, net zero roadmapping, and sustainability disclosure. We help companies understand, reduce, and credibly report their climate impact.
Nature
We support companies in adopting Science Based Targets for Nature (SBTN), mapping freshwater, land, and biodiversity impacts, prioritizing action, and setting measurable targets that address the full ecological footprint.
Circular Economy
We help companies transition toward resource-efficient models. From sustainable material sourcing and circular product design to certification readiness, reducing waste, and meeting market demand for verifiable credentials.
Our Team
Bestari brings together professionals who have chosen to dedicate their careers to one of the most consequential challenges of our time: the transition to a just and sustainable future.
Our team spans disciplines that robust sustainability requires, from environmental science and corporate strategy to spatial analysis, policy research, stakeholder engagement, and strategic communications.
Our Framework Ecosystem
We align our environmental accounting, reporting parameters, and target-setting frameworks with the world’s most trusted scientific, environmental, and global disclosure standards.
Let's Transition Together
We work alongside corporate leaders, industry associations, and government agencies to build the enabling frameworks that accelerate sustainability across Indonesia and Southeast Asia.
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.
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.
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.
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.