Daniel O’Brien

Daniel O’Brien

Partner, Sustainability and Climate Change, PwC Canada

As a Partner and leader in PwC Canada’s Sustainability and ESG practice, I help clients from various sectors to align their business strategies with the environmental and social challenges and opportunities of the future economy. With over 20 years as a sustainability consultant, I work at the intersection of technology and sustainability to help clients create value by utilizing technology to enable business transformation and support ESG reporting.

In addition, I also contribute to the global discourse on nature-related financial disclosures as a member of the Taskforce on Nature-related Financial Disclosures (TNFD). I leverage my academic background in quantitative ecology and my professional credentials in project management and environmental auditing to facilitate multi-stakeholder dialogues, conduct impact assessments, and have published peer-reviewed articles on conservation biology, climate change, and species recovery. I am passionate about driving positive change and creating value for both businesses and society.


  • Government
  • Forestry
  • Utilities


  • Fund Management and program administration
  • Energy efficiency and conservation
  • ISO 14001 environmental management systems
  • Forest certification management systems
  • Conservation biology
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