Diederik Timmer

Diederik Timmer joined the Knology Board in 2024. He is currently the President of Climate Solutions at Glass Lewis & Co, where he is leading the development of a new climate research and data division. This initiative integrates AI-driven climate ratings with expert analyst input to support better decision-making for corporates, investors, and banks. Before joining Glass Lewis, Diederik held senior leadership roles at Sustainalytics and Morningstar, where he helped grow ESG and climate-focused offerings and supported the expansion of services to corporate issuers. Earlier in his career, he led global sales and client management, contributing to the firm’s growth and broader industry impact. Diederik also served as Chair of the Board at US SIF, the sustainable investment industry association in the United States. He brings deep expertise in climate, ESG strategy, and sustainable finance.