Top 5 Sustainability Angel Investors in Luxembourg in September 2025

Last updated: Sep 2025 A list of 5 angel investors that invest in Sustainability startups based in Luxembourg. We rank investors based on the number of investments they made in Sustainability companies from Luxembourg. We update this investor list every month.

Top 5 Sustainability Angel Investors in Luxembourg in September 2025

Investor	Sustainability Luxembourg investments
Elisabeth Ahlefeldt-Laurvig	1
Diane Ries	1
William Ahlefeldt-Laurvig	1
Urban Gillström	1
Gérard Schockmel	1

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Investor list

Elisabeth Ahlefeldt-Laurvig

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Diane Ries

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

William is an experienced engineer with a broad background including forestry, the energy sector and IT start-up ventures. He has a wide experience in taking projects from idea stage through development to launch and all the way to market. In Greenworlder, William has been the driving force behind turning Peter’s vision into reality.https://greenworlder.com/william-ahlefeldt/

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Our CEO Urban is a C-level executive with three decades of global experience in communications, media and technology. He is responsible for taking the vision to action with the Greenworlder team. He is also a senior advisor in business and private equity and business angel with scalable media platform and sustainable start-ups. On his free time,Urban can be found running, cycling, and spending time with his family.https://greenworlder.com/urban-gillstrom/