Dr. Rhian-Mari Thomas is CEO of the Green Finance Institute, backed by the UK Government and City of London Corporation. 

Rhian spent 20 years in investment and corporate banking and was awarded an OBE in 2019 for services to green banking. She is an Emeritus Member of the TCFD, currently co-chair of the Informal Working Group for the Taskforce on Nature-related Financial Disclosures and Advisory Board member for UCL Bartlett School for Environment, Energy and Resources and UK Government’s Climate Finance Accelerator. She is also a member of the UK Government’s Financial Services Trade Advisory Group, Net Zero Technology and Innovation Advisory Group. 

Rhian was a commissioner on the Zero Carbon Commission and previously sat on the UK Government Green Finance Taskforce, the Banking Environment Initiative’s Fintech Taskforce and the steering group for the UN Environment Programme Principles for Responsible Banking. 

Rhian holds a PhD in Physics from Trinity College Dublin.