About Accrona
Driving Sustainable Finance for Lasting Impact
At Accrona, we are more than just advisors—we are your partners in navigating the evolving world of sustainable finance. With decades of hands-on experience in shaping corporate sustainability, finance, and research, our global team is dedicated to helping you uncover opportunities, tackle challenges, and achieve meaningful impact.
Vision of a sustainable future
We envision a world where finance drives a harmonious balance between environmental sustainability, societal well-being, and economic prosperity. As an independent, research-based firm, we’re committed to unlocking the potential of those shaping a better future. Our enduring relationships with clients are built on trust, excellence, and a shared drive for impactful change.
Meet the team
Our team of experts is here to guide you through every step of your sustainability journey. From strategy to execution, we’re dedicated to delivering impactful results. Head to our team page for a more detailed introduction.
Bjarni Herrera
Bjarni has over 15 years of experience in corporate sustainability, sustainable finance, banking, and finance. His career spans the Nordics, Asia, the USA, LATAM, and Europe.
Knut H. Alfsen
Knut has a PhD in theoretical physics and has managed several research and analytical firms in Norway throughout his career. He created the multi-awarded Shades of Green methodology, now owned by S&P Global.
Isha Gupta Waghmare
Isha brings over 10 years of management consulting expertise across the Nordics and Southeast Asia. She excels at transforming sustainability strategies into real-world business value, helping clients navigate regulatory hurdles while maximising social and environmental impacts.
Anna Jia
Anna Jia is Accrona’s expert in sustainable finance, based in London. Anna’s data-driven approach and background in environmental policy have led to successful projects across industries like shipping and pharmaceuticals.
Kent Hanson
Kent leverages his background in sustainable finance and private equity to help clients optimise investment strategies for impact. With experience from Wall Street to professional basketball across Europe, he brings a unique, action-oriented perspective.
Farah Mammadli
Farah has over 10 years of experience in sustainability reporting and compliance across the Middle East and Europe. She specialises in guiding organisations through CSRD and ESG frameworks to unlock business value.
Karen Torres Sánchez
Karen Torres Sánchez is a dynamic analyst specialising in sustainability. She has a strong foundation in environmental engineering and resource optimisation.
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Our approach
At Accrona, sustainable success is achieved through a clear, client-focused methodology. Our approach combines strategic insights with hands-on execution, all guided by our unique value-creation framework.
Value creation and project management
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Client-centric approach: We place your goals and aspirations at the centre, developing strategies that align with your vision while driving sustainable growth.
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Balanced value creation: Our method integrates five critical lenses—business and finance, market dynamics, prosperity, sustainability, and governance—ensuring that every solution we design creates holistic value.
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Guiding principles: Innovation, risk management, resilience, collaboration, capacity building, and leveraging technology are at the heart of our project design and execution.
How we work
From initial planning and diagnostics to project execution and continuous support, we focus on delivering results that matter. We engage stakeholders, refine strategies, and adapt solutions based on real-time feedback, ensuring that your sustainability journey is both impactful and future-proof.
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Our core values
Committed to making finance the engine of a sustainable future.
Sustainability
Building transparent, enduring relationships with clients and partners.
Trust
Pushing boundaries to deliver world-class solutions.
Excellence
Leveraging the latest data and research to drive informed decisions.
Research and insight
Fostering sustainable growth for clients, communities, and colleagues—creating a win-win-win philosophy.
Growth