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Rhian-Mari Thomas

Green Finance Institute


Dr Rhian-Mari Thomas is Chief Executive of the Green Finance Institute, backed by the UK Government and City of London Corporation. Rhian spent 20 years investment banking and corporate finance and was awarded an OBE for services to green banking. She is an Emeritus Member of TCFD and co-chaired the launch of the TNFD.

Rhian sits on numerous advisory groups across UK Government including the Net Zero Expert Group, NIC Greenhouse Gas Removals Group, DfT Expert Panel, Green Technical Advisory Group and the UK Voluntary Carbon Markets Forum. Rhian was also a commissioner on the Zero Carbon Commission and a member of the Climate Change Committee’s Net Zero Finance Advisory Group.

A fluent Welsh speaker, Rhian holds a PhD in Physics from Trinity College, Dublin, Ireland.

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