Brian Hattori
Partner & Principal Consultant
Sustainability Consultants
Practical Sustainability & ESG Advisory
Sustrio partners with organizations worldwide to enhance sustainability and ESG performance, manage risk, and unlock opportunities that create lasting business value, while building trust with stakeholders and communities.
Why Sustrio
Integrate Sustainability and ESG into business operations
Sustrio helps organizations translate non-technical and sustainability risk into measurable performance and investor confidence.
We support organizations in enhancing sustainability performance through integrated risk and performance management. We help build trust with investors, regulators, Indigenous communities, and stakeholders by aligning governance, operational execution, and financial outcomes.
Our multidisciplinary team brings global, and significant field experience across the full asset lifecycle from development through operations and closure. We are lean by design, combining senior leadership with subject matter expertise to deliver high-impact, implementation-focused outcomes.
Turn Sustainability into Actionable Strategy
Integrate sustainability and ESG into your operations, prioritizing what drives the most impact for your organization.
Manage Risk and Enhance Value
Understand and manage your environmental, social, operational, legal, and financial risks, and turn them into opportunities for innovation, collaboration, and value creation.
Engage with Intention and Transparency
Build lasting, trust-based partnerships with your stakeholders and Indigenous communities for mutual success.
Communicate with Confidence and Clarity
Report on what matters and communicate your performance to markets, investors, and stakeholders with credibility.
Hans Luu
Partner & Principal Consultant
Karim Zariffa
Partner & Principal Consultant
Kerry Ground
Partner & Principal Consultant
Meet the People Behind Sustrio
We believe strong partnerships start with the people behind the work. Get to know our team of diverse consultants and leaders who make Sustrio what it is.
Meet the TeamSustrio Services
Sustainability Services, Assessments, and Reporting
Social Performance and Stakeholder Engagement
Anticipate, manage, and respond to social risks and impacts while strengthening trust with communities and stakeholders.
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Indigenous Relations and Regulatory Strategy
Build respectful, durable relationships with Indigenous communities while navigating complex regulatory environments with confidence.
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Enterprise Risk and Performance
Turn sustainability and ESG risks into clear, decision-ready insights that strengthen performance, resilience, and investor confidence.
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Due Diligence, Assurance, and Reporting
Understand ESG risks, impacts, and value drivers before they affect project performance, reputation, financing, or long-term value.
Explore →Who We Work With
Trusted Across Sectors
Sustrio partners with operators, investors, lenders, and Indigenous organizations across infrastructure, energy, power, mining, manufacturing, aviation, data centers, and finance — from project-level due diligence to enterprise ESG strategy.
