
Diederik Timmer
Diederik Timmer is a seasoned executive with a deep commitment to sustainability and a proven track record of... | New York, New York, United States
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Diederik Timmer’s Location New York, New York, United States
Diederik Timmer’s Expertise Diederik Timmer is a seasoned executive with a deep commitment to sustainability and a proven track record of leadership in the field of sustainable investing. With experience spanning over two decades, Diederik has held various strategic roles at &values, Morningstar Inc., Sustainalytics, US SIF, and Knology, where he played instrumental roles in driving growth and fostering innovation. His leadership acumen, coupled with a deep understanding of market dynamics and strategic insights into sustainable investing, has positioned him as a thought leader on topics such as climate, impact, ESG data, global standards, and regulation. Prior to founding boutique consultancy &values, Diederik worked as Managing Director of Corporate and Climate Solutions at Morningstar Sustainalytics. In this role, Diederik led a 300-person business unit, overseeing the delivery of Second Party Opinions (SPO), ESG Rating licenses, and Pre IPO-Ratings to corporates. Under his leadership, the Corporate Solutions Division earned many accolades, including recognition as the Best Second Party Opinion Provider for Corporate ESG Bonds in 2022. Diederik also spearheaded the establishment of a groundbreaking climate research division, driving initiatives to assess the climate risks of thousands of issuers worldwide. Before the acquisition by Morningstar Inc, Diederik served as Executive Vice President & Managing Director at Sustainalytics, where he defined and implemented a commercial strategy that propelled the company to high year-over-year revenue growth. Beyond his corporate endeavors, Diederik is Chair of the Board at US SIF, the industry association of sustainable investors in the United States, where he has played a pivotal role in shaping the organization's strategic direction and governance practices. In addition, Diederik is a Board Trustee at Knology, a non-profit research organization that translates social science into actionable solutions. With a strong foundation in finance and economics, Diederik continues to drive positive change and innovation in the intersection of business, societal and climate impact, and investment.
Diederik Timmer’s Current Industry And Values
Diederik
Timmer’s Prior Industry
European Institute For Business Ethics
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Dutch Sustainability Research
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Sustainalytics
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International Cystinuria Foundation
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Us Sif
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Morningstar Sustainalytics
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Knology
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And Values
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Work Experience

And Values
Founder & Principal
Mon Apr 01 2024 00:00:00 GMT+0000 (Coordinated Universal Time) — Present
Knology
Board Trustee
Mon Jan 01 2024 00:00:00 GMT+0000 (Coordinated Universal Time) — Present
Morningstar Sustainalytics
Managing Director- Corporate and Climate Solutions
Sat Jan 01 2022 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Jun 01 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
Us Sif
Chair of the Board of Directors
Mon Jan 01 2018 00:00:00 GMT+0000 (Coordinated Universal Time) — Present
International Cystinuria Foundation
Member Board Of Directors
Sun Jan 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time) — Sun Jul 01 2018 00:00:00 GMT+0000 (Coordinated Universal Time)
Sustainalytics
Executive Vice President, Institutional Relations & Managing Director
Mon Jul 01 2013 00:00:00 GMT+0000 (Coordinated Universal Time) — Sat Jan 01 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
Sustainalytics
Global Director, Institutional Relations & Managing Director, Europe
Mon Dec 01 2008 00:00:00 GMT+0000 (Coordinated Universal Time) — Mon Jul 01 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
Dutch Sustainability Research
Head of Client Services and Consulting
Fri Sep 01 2006 00:00:00 GMT+0000 (Coordinated Universal Time) — Mon Dec 01 2008 00:00:00 GMT+0000 (Coordinated Universal Time)
European Institute For Business Ethics
Researcher/Consultant
Mon Jan 01 2001 00:00:00 GMT+0000 (Coordinated Universal Time) — Fri Sep 01 2006 00:00:00 GMT+0000 (Coordinated Universal Time)