What We Do
Delivering a commercially smart climate transition
To reach net-zero carbon emissions by 2050, the world must halve its emissions in this decade. While climate ambition is growing, we remain significantly off track to deliver on this goal.
It is time to turn climate intent into action.
Corporations need to transition at pace and at scale, and within the normal pressures of sustaining and growing a profitable business.
Oliver Wyman helps clients to pursue a commercially smart transition, enabling leadership teams to deploy their financing, operating capabilities and customer relationships to achieve outcomes for which they were never designed.
We bring together deep industry and functional expertise from across Oliver Wyman, the Oliver Wyman Forum, and Marsh McLennan to break down climate transition challenges and bring a competitive edge to clients.


Through our conversations with practitioners and our consulting work, we have identified four domains that businesses need to manage in order for their transition plans to be both commercially successful and to have impact.
Our Approach
Our Collaborations
Our Climate Breakthroughs
What We Think
With sustainability and climate change impacting businesses across virtually all sectors, there are a variety of trends that leaders should be aware of as they outline their approach to this pressing topic.


Climate Journal Volume 2
Our collection of articles on how to navigate the challenges and opportunities that lie ahead in a net zero world
Read more


3D Carbon Accounting
Together, we can help you deliver your decarbonization programs, validate your SBTi targets and prepare you for upcoming regulatory disclosures
Read more
Towards a Global Baseline for Net-Zero Transition Planning
The Glasgow Financial Alliance for Net Zero (GFANZ), has published a new set of documents for consultation, focused on the implementation of net zero plans
Read moreWho We Are
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John T. Colas Partner and Vice Chairman, Financial Services Americas, Co-head of Climate and Sustainability Platform
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Francois Austin Partner, Head of Energy and Natural Resources, Co-head of Climate and Sustainability Platform
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Simon Glynn Partner, Lippincott, Co-head of Climate and Sustainability Platform
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Jennifer Tsim Partner, Financial Services, Head of Climate and Sustainability Platform, UK&I
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Thomas Fritz Partner, Energy and Natural Resources, Co-head of Climate and Sustainability Platform, Europe
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James Davis Partner, Financial Services, Co-head of Climate and Sustainability Platform, Europe
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Paulina Padilla Senior Marketing Manager, Climate and Sustainability
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Caroline Gourri Head of Knowledge Management, Americas and APR
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Ilya Khaykin Partner, Head of Climate Risk and Sustainable Finance Americas
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Tim Colyer Partner, Financial Services, Head of Climate and Sustainability Platform, APR
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Johnny Ayoub Partner, Energy and Natural Resources, Head of Climate and Sustainability Platform, IMEA
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Lauren Wylie Global Head of Sustainability and Oliver Wyman for Society
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Simon Cooper Partner, Finance and Risk Europe, Climate and Sustainability Lead, Oliver Wyman Forum
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Rupal Kantaria Partner, Oliver Wyman Forum, Climate and Sustainability
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Barrie Wilkinson Partner and Head of 3D Carbon Accounting
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Amara-Maria Willendorf Research Expert, Knowledge Services