Dr. Rhian-Mari Thomas OBE

Chief Executive
Green Finance Institute

Dr. Rhian-Mari Thomas was awarded an OBE for services to green banking and was appointed chief exec of the Green Finance Institute in 2019.

Rhian was previously the global head of Green Banking and the founder and chair of Barclays Green Banking Council, which developed and launched Barclays’ suite of green finance products and services.

These include issuance of the first Green Bond by a UK bank backed solely by UK assets, the first Green Mortgage by a major UK high street lender and establishing Barclays as the first commercial bank with a full green Corporate Banking proposition to complement Barclays’ existing Green Bond origination capabilities.

Rhian represented Barclays on the FSB’s Taskforce on Climate-Related Financial Disclosures (TCFD), the UK Government Green Finance Taskforce, and the Banking Environment Initiative’s Fintech Taskforce.

She is also a member of the Global Advisory Council for Oxford University’s Sustainable Finance Programme and sat on the steering group for the United Nations Environment Programme – Financial Institutions Initiative.

Rhian began her banking career at Barclays Investment Bank in 2000, and spent 10 years in Leveraged Finance and Financial Sponsors coverage before holding a succession of leadership roles across Barclays Corporate Bank and Barclaycard.

She is a passionate advocate of diversity and fairness and was awarded the Barclays Woman of the Year Award 2014/15 in recognition of her efforts to support the inclusion agenda both within Barclays and the broader community. In both 2016 and 2017, Rhian was ranked in the Financial Times Outstanding Top 30 Global Executive LGBT Allies list.

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

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