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Catherine Duggan
Dublin, City Quay

Catherine Duggan

Director - Sustainability Specialist, Financial Services Advisory


Catherine is a senior energy/sustainability specialist with 15 years global experience, who joined Grant Thornton in 2021. Prior to joining the firm, she worked for 13 years with FTSE listed Tullow Oil, holding both technical and non-technical roles with responsibility for portfolio management, business performance and risk, working extensively with multidisciplinary teams and increasingly focusing on ESG issues.  She has in depth awareness of TCFD/ EU Legislation and IPCC Assessment Report Knowledge.

Catherine is skilled in sustainability, transitional risk, scenario planning and working cross functionally to deliver integrated products.  Her broad experiences is particularly applicable to integrating non-technical risks across a project’s lifecycle.  In her most recent role, she led non-technical risk identification and mitigations strategies for multimillion dollar investments in emerging markets, embedding them into ‘business as usual’ operations.

Her experience includes:

  • Lead on long term scenario planning for flagship exploration program in Guyana, and multiple New Country Entries as South America and Africa External Affairs Manager, Tullow Oil;
  • Identifying and mitigating cross discipline risk within a traditionally siloed structure in her role and Business, Performance and Risk Manager, Exploration Tullow Oil South America and Africa; and
  • Portfolio analysis, simulation and managing $1 billion capital allocation process during her time in corporate planning function, Tullow Oil.
  • B.A. Mod in Natural Science
  • Ph.D. in Geology from Trinity College Dublin
  • Business Sustainability Management qualification from the Cambridge Institute for Sustainability Leadership
Catherine Duggan

Catherine Duggan

Director - Sustainability Specialist, Financial Services Advisory
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