Helga Birgden Partner, Global Chair, Sustainable Investment, Mercer Helga Birgden is a Mercer Partner, Mercer’s Chair, Sustainable Investment. She leads on sustainable investing and governance as a global executive focused on climate change resilience, managing investment risk, return and reputation for Boards, members and stakeholders. She has more than 20 years of experience advising client Boards/Committees on sustainable investment issues – environmental, governance and social. She has prepared advice for multilateral institutions such as the International Finance Corporation, World Bank Group, G20 and participates in Conference of Parties (COP) hosted by the UN. She is a published author and contributes to Mercer thought leadership for clients including on Climate Change, Biodiversity and Transition with the World Economic Forum (2022, 2021, 2020). Over the last decade Helga has been a leader in Mercer’s global climate change studies 2011, 2015 and 2019 Investing in a Time of Climate Change reports and 2020 Analytics for Climate Transition – ACT. She is Deputy Chair of the Investor Group on Climate Change, representing ~$30 trillion of AUM and is on the Board Committee of the Asia Investor Group on Climate Change. She has lived off the grid (solar and wind) for a decade.