Get involved

We are a non-profit organization run by volunteers who deeply believe in our mission of uniting and empowering the most exceptional young founders under 26. If you too believe in our mission and want to be part of a community of like-minded and ambitious young people, you can get involved as volunteer, honorary member or partner.

Become a volunteer

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Become an honorary member

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Become a partner

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Become a volunteer

Sigma Squared is a non-profit organization run by volunteers that deeply care about community and people. We're always looking for new people to join our various teams across community, marketing, events, investment relations and more.

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*This is not an application for the Fellowship

What our volunteers say

Wiktoria Bulik

Social Media Manager

I am very grateful to be a part of Sigma Squared Society whose mission to empower young entrepreneurs aligns with my personal goals. Being a part of the marketing team is both challenging and incredibly rewarding. This is an awe-inspiring community and it is our job to amplify its visibility to external followers and give them a taste of Sigma’s unique ambience!

Sophie Spitzer

Volunteers Lead

What makes Sigma so special is the people. A crowd of likemindedly driven people that are crazy enough to think that they can change the world, and actually do. Not only do we change the world but also each others worlds, by supporting one another, no matter where on our journey.

Honorary Membership

The Sigma Squared Society Honorary Membership gives established and experienced individuals, who serve as role models to our fellows, an opportunity to get involved in our organization.

Some of our current Honorary Members

Sean Boyle

Twitter’s first Head of Sustainability, launched the first company-wide climate action strategy and partnered with leading climate action organisations including UNFCCC, UNEP, COP27, FridaysForFuture, WeDontHaveTime, leading academic institutions like Cambridge University & other pioneers.

Otmar Debald

Serial entrepreneur, impact investor. Former CFO at Procter & Gamble. Chairman & co-founder of NEWNOW Group, Chairman of the Supervisory Board of mymuesli and board member of multiple other companies.

Fiona Macintyre

Founder of Forming Impact and a thought leader in sustainable development. With flagship initiatives such as Necker Island and the United Nations SDG Week, Macintyre is an expert in bringing global players from the private sector to the impact world.

Eric Sarasin

Chairman of the Board of Directors of Singularity Group SA and Board member of several other private and investment companies. He is Chairman of TIGER21 Zurich, an association for entrepreneurs, CEOs and investors from around the world, with 700 members.

Dr. Felix Grisard

An experienced entrepreneur and life sciences investor. He transformed a large timber industry group into a listed long-term site development company, HIAG Immobilien Holding, where he is currently Chairman of the Board of Directors. Dr. Felix serves as a special advisor to Holland Private Equity.

Dejan Jovivevic

Founder and CEO of brutkasten, Austria's leading media company for startups, innovation and the digital economy. He is considered a visionary digital entrepreneur, publisher and anchorman in the digital ecosystem.

Honorary Members perks

VIP access to the annual Sigma Squared Summit

Curated introductions to relevant fellows

Access to dedicated Sigma Squared Society membership space

By becoming an Honorary Member, you express your commitment to supporting the next generation of young entrepreneurs disrupting the status quo. Our community is represented in over 31 countries across the globe with over 100 volunteers actively working towards creating the world’s strongest network for young innovators under 26.

Partner with us

One of our core values is collaboration which we foster both amongst our members, as well as with other like-minded organizations. If you are an organization interested in partnering with us, please email us via

Some of our partners