Libby is the Global Head of Corporate Business for Trucost, part of S&P Dow Jones Indices. Trucost assesses and prices risks relating to climate change, natural resource constraints and broader ESG factors, enabling companies and financial institutions to understand exposure to ESG factors, build more resilient business models and identify transformative solutions.

Libby is responsible for global new product development, research and sales activities for Trucost corporate programs, including Trucost valuation data and analytical tools, impact analysis of bonds, and company ESG disclosure to investors. She has been a strategic advisor to global multinational corporations, development banks, investors and foundations on sustainability issues. She has worked for more than 25 years integrating sustainability information into business decision-making, and has led the development and implementation of numerous decision-support tools and programs. Prior to joining Trucost, Libby was Vice President, Sustainability Services for Underwriter's Laboratory; previous roles included executive positions developing and commercializing greener products, serving as an environmental manager in a manufacturing facility, and managing water and air pollution programs at the U.S. EPA.

Libby holds an M.A.S. in civil (environmental) engineering and a B.S. in chemistry and biology, and is a licensed Professional Engineer and LEED AP accredited by the U.S. Green Building Council.