Dr. Márcia Balisciano Márcia is Chief Sustainability Officer at RELX Group, a global provider of information-based analytics, decision tools and events with more than 37,500 employees. Working with colleagues, she aims to ensure RELX’s extra-financial performance furthers competitive advantage and stakeholder confidence. RELX ranks in the top 1% of more than 14,000 companies globally by Sustainalytics and has held an MSCI AAA sustainability rating for more than 10 consecutive years. She was named a top global CSO in 2026 by both Sustainability Magazine and edie and is the host of The World We Want podcast. She is the author of the forthcoming Navigating the Business of Sustainability: A Guide for Practitioners (with Dr. C. Leitz and Carrie Scott; Elsevier November 2026). She is Co-Chair of the Foundation for the Global Compact and a founding board member and Chair of the development committee of the Ban Ki-moon Foundation. She holds an MA in International Relations from the University of Chicago, and a PHD in Economic History from the London School of Economics. She is a Member of the British Empire (MBE), an honour presented to her by the King, and lives in London with her husband and two sons.