Meridiam

Barbara Lantz is a Partner and Executive Director at Meridiam. Trained as a generalist engineer, she has worked in infrastructure for 15 years across construction and financing, beginning with road project financing at the World Bank in Central Africa before holding operational roles at Vinci Concessions and Vinci Construction covering the financing, construction, and operation of large public infrastructure.

David Delgado Romero is Partner & Director CEE (EU) at Meridiam, where he has worked since 2005 as part of the founding team and contributed to securing the fund's initial cornerstone investors. Over his career he has been involved in more than 25 investments across projects totaling €24 billion in capital expenditure, and has served as chairman and board director of several project companies. He previously worked for public and multilateral organizations in the transportation sector, and holds a civil engineering degree from the Polytechnic University of Catalonia, an M.Sc. in Transportation, and a degree from Harvard's school of government.

Fadi Selwan is Partner, Deputy Chief Executive Officer, and ExCom Member at Meridiam, where he oversees portfolio management, human capital, and sustainability functions globally. He joined the VINCI Group in 2007 as Development Director of VINCI Concessions, later serving as Executive Vice President from 2012 to 2019, Chairman of VINCI Highways from 2014 to 2019, and Operational Director of the Americas and LNG Reservoir Businesses Division of VINCI Construction Grands Projets from 2019, following earlier roles at the Eiffage Group. He holds an engineering degree from the École Nationale des Ponts et Chaussées in France and a Master of Science in Civil Engineering from the Massachusetts Institute of Technology.

Jonathan Dingle is an Executive Director at Meridiam, working in the Public-Private Partnership (P3) infrastructure sector, where he provides asset management and serves as a board member on portfolio P3 projects. He has led P3 bids in the US market and structured their commercial and financial terms, including the financing of the $2.3 billion Purple Line light rail project in Maryland, which involved $130 million in equity and $1.1 billion in Private Activity Bonds and TIFIA financing. With 11 years of experience across large-scale infrastructure projects, his background spans mechanical design of road tunnel ventilation systems, traffic and revenue forecasting, cost modeling, and project financing as an adviser to both sponsors and lenders.

Marie Lam-Frendo is Partner and Chief Strategy Officer at Meridiam, with 25 years of experience across infrastructure investment, advisory, and policy in both public and private sectors, focused on the energy and renewable sectors in emerging markets. She previously served as CEO of the G20 Global Infrastructure Hub and speaks and publishes on topics including infrastructure, sustainable and blended finance, leadership, and women in STEM and infrastructure. She holds master's degrees in engineering, strategy, and leadership, and is a Global Leadership Fellow of the World Economic Forum.

Olivier Bramaud Grattau is Partner and Executive Director at Meridiam. His experience covers project development and management in the infrastructure and utilities sectors, with a focus on infrastructure, transportation, and energy investment.

Adam Houghton is Vice President of Customer Success at Klue, where his work includes AI-first organizational initiatives. He has more than 20 years of experience in B2B SaaS across revenue, customer success, sales, and product functions, including roles at a bootstrapped startup through a private equity exit and at a venture-backed company with over $300 million in funding. His experience spans the customer lifecycle, including enterprise sales, renewals, expansion, technical support, professional services, customer education, product, and design.

SVP of communications directing corporate, brand, and internal communications plus investor and media relations, joining PureTech in 2016 after leadership roles at PR agencies TogoRun and Feinstein Kean Healthcare.

Head of Product at The Commons Project, previously at Twitter and Google.

Advisory board member; President and CEO of Zephyr Management, an emerging markets investment firm he founded in 1994. Formerly President and CEO of Rockefeller & Co.

Advisory Director and former Growth Partner at Lumos whose career in the human development sector spans public and private roles, including founding a primary school, edtech go-to-market work, and technology investment banking at Goldman Sachs. She holds an MBA from UVA's Darden School and a BA from Harvard.