# Top 20 Sustainability Angel Investors in Switzerland in June 2026

## Soheila Yalpani
- Type: Angel
- Location: Santa Monica, California, United States
- Relevant deals: 5
- Stages: Seed, Pre-Seed, Series A
- Focus: Consulting, GreenTech, Cyber Security

oheila is an entrepreneur with C-team leadership experience on project management and pre-master planning of large-scale smart, resilient green infrastructure projects.

## Danny Hayes
- Type: Angel
- Location: Zürich, Zurich, Switzerland
- Relevant deals: 5
- Stages: Seed, Pre-Seed
- Focus: Clean Energy, Cyber Security, Finance

As the CEO of Climate Transition Swiss AG, I lead a Swiss company that develops and finances green, resilient infrastructure projects across North America, Europe, and Japan. With over 20 years of international business experience, I have a strong track record of delivering sustainable energy solutions that create positive environmental and socialimpact.In addition to my role as CEO, I am also a Lobbyist for Climate Policy at the U.S. House of Representatives, where I focus on influencing environmental initiatives in Japan and Europe. I am passionate about advocating for climate action and fostering global collaboration on this urgent issue. I am also a member of the Forbes Business Council and a regular contributor to their climate section, where I share my insights and expertise on green business and policy.

## Oliver Samwer
- Type: Angel
- Location: Munich, Bayern, Germany
- Relevant deals: 2
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, Internet, E-Commerce

Oliver Samwer was born in Cologne, Germany, in 1972. Oliver holds M.Sc. degree in Business Administration from WHU – Otto Beisheim School of Management. Upon graduation, Oliver and his two brothers founded Alando.de in 1999. After the sale of Alando.de to eBay Inc., he was Managing Director of eBay, responsible for Germany, Switzerland andAustria. In 2000, Oliver and his two brothers founded Jamba! AG, which was acquired by Verisign Inc. in 2004. In 2007, Oliver founded Rocket Internet. Since 2014, Oliver has served as Rocket’s Chief Executive Officer. Oliver is responsible for strategy development and implementation, business development and investor relations.

## Péter Ilyés
- Type: Angel
- Location: Budapest, Budapest, Hungary
- Relevant deals: 2
- Stages: Seed
- Focus: SaaS, Energy, Software

Péter Ilyés is a former CEO of E.ON Italia.

## Jürg Marquard
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Pre-Seed
- Focus: Travel, Rental, Leisure

Jürg Marquard

## Cristian Mazzoleni
- Type: Angel
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Grocery, Organic, Food and Beverage

Cristian Mazzoleni is a Chief Financial Officer at KIKO MILANO

## Alois Flatz
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Software, Real Estate, Social Media

Alois Flatz is a Venture Partner with 20 years' experience in private equity, investment management and sustainability. He is a member of the boards of va-Q-tec and The Mobility House.Before joining Zouk, Alois was a Partner and Head of Research at Sustainable Asset Management in Zurich, where he co-founded the Dow Jones SustainabilityIndex. Alois was also Managing Partner of BTS Investment Advisors, a private equity advisor in India with over $3 billion AUM, and an advisor to the Austrian Ministry of the Environment.A published author on sustainable investment, Alois has a PhD in Business Administration from the University of St. Gallen, an MBA from Vienna University of Economics and studied International Management at HEC.

## Torge Thönnessen
- Type: Angel
- Location: Itzehoe, Schleswig-Holstein, Germany
- Relevant deals: 1
- Stages: Seed
- Focus: Battery, CleanTech, Chemical Engineering

Torge Thönnessen is the Co-founder and CEO at Custom Cells.

## Matt Iannelli
- Type: Angel
- Location: Santa Monica, California, United States
- Relevant deals: 1
- Stages: Seed
- Focus: Finance, Sustainability, Project Management

Matt Iannelli previously served Netorian as CEO and Sr. systems engineer for over 11 years.

## Adriant Harrison
- Type: Angel
- Location: Santa Monica, California, United States
- Relevant deals: 1
- Stages: Seed
- Focus: Aerospace, Consulting, Cryptocurrency

Adriant Harrison - Sr. Executive Vice President, Office of CEO @ TerraScale

## David Helgason
- Type: Angel
- Location: Copenhagen, Hovedstaden, Denmark
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Software, Gaming, Information Technology

David is a technologist, the founder of Unity Technologies, non-exec director to others, and a restless entrepreneur with a passion for creating feedback loops between innovation and teams and products, applying new and old business models to changing industries, and pushing people to do the very best they can do.David's background is inprogramming, an assortment of university dabbling, creating companies, and helping entrepreneurs. He served as CEO of Unity Technologies since co-founding it in 2003 and until October 2014, with an unflinching vision to democratize game development, and to develop technology and business models for the next phase of the games industry. David Helgason attended the University of Copenhagen.

## Thomassin Emmanuel
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Angel, Seed, Series A
- Focus: Apps, Catering, Internet

Emmanuel Thomassin joined Delivery Hero in January 2014 as Chief Financial Officer. Emmanuel is responsible for the financial activities of Delivery Hero, as well as the management of several internal departments.Before joining, he was the CFO at the Berlin-based incubator and Delivery Hero investor, Team Europe. Until late 2012 Emmanuel spent6 years as the CFO and executive board member of MetaDesign, the international corporate branding agency based in Berlin. In this role he was responsible for the HR, Legal, IT and Finance departments and managed the relationship to customers like FIFA, AstraZeneca or Voith.Emmanuel holds masters degrees from the French University and from the German Fachhochschule in Economics.

## Roland Brack
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Pre-Seed
- Focus: Travel, SaaS, Rental

Roland Brack - Mr. @ Ziano

## Professor, “Emeritus” Robert Dibble
- Type: Angel
- Location: Santa Monica, California, United States
- Relevant deals: 1
- Stages: Seed, Pre-Seed
- Focus: Aerospace, Consulting, Cryptocurrency

Professor R. W. Dibble is the principal investigator of the Combustion Analysis group. His main area of research is the internal combustion engine. He is also the leading scientist behind the development of the Argon Power Cycle technology.Research Description:Laser diagnostics in turbulent reactive flows, generation of “green” fuels frombiomass, including ethanol and bioDiesel mitigation of greenhouse gases, highest efficiency and lowest pollution combustion of fuels derived from biomass, combustion issues related to global warming, conversion of waste heat to power via Organic Rankine Cycle ( ORC ), spectroscopy, chemical kinetics, turbulent combustion, optics and electronics. Combustion in turbine engines, combustion of oxygenates and biodeisel fuel in diesel engines. Combustion in new engine concept of Homogeneous Charge Compression Ignition (HCCI).

## Dr. Cornelius Boersch
- Type: Angel
- Location: Zürich, Zurich, Switzerland
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: E-Commerce, Software, FinTech

Dr. Cornelius (“Conny”) Boersch is an entrepreneur, business angel and founder of numerous technology companies. Conny is considered one of the bestconnected networkers in the tech and start-up scene. He is the founder of the global company builder Mountain Partners as well as the global co-investment company Conny & Co. Conny initiated theEntrepreneurs Day at the Tegernsee, one of the most exclusive conferences in Europe and regularly holds speeches at universities or tech events all over the world. As a business angel, he has invested in more than 300 companies since 1995 and was voted “European Business Angel of the Year” in 2009. He is a European Investment Fund (EIF) - certified super angel, which means that, subject to certain restrictions, the EIF matches all of his startup investments 1 to 1.As an entrepreneur, Conny previously founded the stock-listed RFID-based companies ACG, Smartrac and Identiv as well as the cashless payment systems provider Sandpiper. For his activities he was named “Entrepreneur of the Year” in 2000. Politically, Conny acted as advisor to Dr. Guido Westerwelle, former president of the German Liberal Party, FDP, Vice-Chancellor and Foreign Minister of Germany from 2009 to 2012.He studied at the European Business School in Oestrich-Winkel and earned his Ph.D. from the University of Essen with a thesis on venture capital and investing. He later also acted as honorary professor and held lectures at the University of Essen.

## Tobias Reichmuth
- Type: Angel
- Location: Zürich, Zurich, Switzerland
- Relevant deals: 1
- Stages: Seed, Angel, Pre-Seed
- Focus: E-Commerce, Travel, Internet

Tobias Reichmuth - Founding Partner at Maximon - The Longevity Company Builder @ Maximon

## Jaime Martin Chocano
- Type: Angel
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Grocery, Organic, Food and Beverage

Jaime Martin Chocano is an individual investor.

## Nico Hribernik
- Type: Angel
- Location: Munich, Bayern, Germany
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Grocery, Organic, Food and Beverage

Nico Hribernik is the Founder at Wellster Healthtech Group.

## Zürcher Kantonalbankand
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Series A, Series B
- Focus: Medical Device, Energy, Medical

Zürcher Kantonalbankand

## Hermann Arnold
- Type: Angel
- Location: Zürich, Zurich, Switzerland
- Relevant deals: 1
- Stages: Pre-Seed, Angel
- Focus: GPS, SaaS, Software

Hermann Arnold - co-founder, co-initiator @ 42hacks.com