Claire Dorrian

Head of Sustainable Finance, Capital Markets, London Stock Exchange

Claire is responsible for leading the portfolio of sustainable finance related projects across London Stock Exchange Group’s Capital Markets business which includes equities, fixed income and ETFs. Claire has played an important role in the development of model ESG disclosure and reporting guidance for London Stock Exchange listed companies and initiatives such as an ESG Disclosure Tool, the publication of a guide to green finance and Green Economy Mark for AIM and Main Market companies.  


Claire’s background is in the fund management industry and in equity capital markets, working with private and listed companies and in particular with a sustainability focus. Claire is a member of an industry Taskforce on the Scaling of Voluntary Carbon Markets. 

Positioned at the heart of global financial markets, LSEG works across the investment and finance chain from issuers to asset owners, and across the financial, banking, trading and advisory ecosystem. As such LSEG is uniquely positioned to support clients in achieving the transition to a sustainable and net-zero economy and was the first exchange group to commit to net zero emissions.