YEARBOOK & DIRECTORY

The Yearbook & Directory of Ireland's international financial services industry
Monday, 13th April 2026

Duggan, Catherine


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Firm: Grant Thornton
Position: Director - Sustainability
Address: 13-18 City Quay, Dublin 2, D02 ED70
Phone: +353 1 433 2535
Email: catherine.duggan@ie.gt.com
Personal URL: https://www.grantthornton.ie/meet-our-people/catherine-duggan/

Career:

Catherine is a senior energy/sustainability specialist with 15 years global experience, who joined Grant Thornton in 2021 to lead the sustainability offering in Financial Services. 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.

Qualifications:

Catherine holds a B.A. Mod in Natural Science and a Ph.D. in Geology from Trinity College Dublin. She completed a Business Sustainability Management qualification with the Cambridge Institute for Sustainability Leadership and is also a GRI certified sustainability professional.