
Mark Kolmar
Mark Kolmar
Head of Communications and Content
Mark Kolmar
Mark is Head of Communications and Content at GSG Impact. He works across the organisation and with the media to develop thought leadership, deliver updates on the GSG Impact Partnership, amplify GSG National Partners’ voices, and advance global awareness and understanding of impact economies.
Prior to joining GSG Impact in July 2025, Mark worked on engagement and communications at UK National Partner, the Impact Investing Institute, having previously spent ten years at the UN-supported Principles for Responsible Investment, developing a wide range of responsible and impact investment content and communications.
He started his career as a financial journalist – including reporting on the role of DFIs in attracting private capital to infrastructure investments in sub-Saharan Africa for Euromoney Institutional Investor and Thomson Financial – and as an online editor at Reuters, overseeing the global newswire’s UK website, live blogs, opinion pages, and social media channels.
Mark holds a degree in English Literature from the University of Cambridge.