Empowering the World's Most Ambitious Founders Under 26

What if the world’s most influential leaders today were best friends 20 years ago? This is what the Sigma Squared Society is all about.

Get Involved

Omar Bawa

Co-founder & COO

@

Goodwall

Mona Ghazi

Co-founder & CEO

@

Optimo

Louise Mabulo

Founder & CEO

@

The Cacao Project

Yoko Spirig

Co-founder & CEO

@

Ledgy

Mateo Semerene

Co-founder & COO

@

AltScore

Barbara Stegmann

Co-founder & CEO

@

living brain

Helena Siren Gualinga

Co-founder & CEO

@

Polluters Out

Ahana Banerjee

Co-founder & CEO

@

Clear

Elias Groll

Co-founder & CEO

@

Codesphere

Vaitea Cowan

Co-founder & CCO

@

Enapter

Philipp Merk

Co-founder & CEO

@

Kyon Energy

Mona Ghazi

Co-founder & CEO

@

Optimo

Mateo Semerene

Co-founder & COO

@

AltScore

Yoko Spirig

Co-founder & CEO

@

Ledgy

Philipp Merk

Co-founder & CEO

@

Kyon Energy

Elias Groll

Co-founder & CEO

@

Codesphere

Barbara Stegmann

Co-founder & CEO

@

living brain

Vaitea Cowan

Co-founder & CCO

@

Enapter

Helena Siren Gualinga

Co-founder & CEO

@

Polluters Out

Ahana Banerjee

Co-founder & CEO

@

Clear

Louise Mabulo

Founder & CEO

@

The Cacao Project

Omar Bawa

Co-founder & COO

@

Goodwall

Josefien Groot

Co-founder & CEO

@

Qlayers

Kami Krista

Co-founder & CEO

@

Elio

Wiktoria Wójcik

Co-founder & CMO

@

inStreamly

Mike Mahlkow

Co-founder & CEO

@

Fastgen

Maxime Paradis

Founder & Managing Partner

@

G. Ventures

Sebastian Böhmer

Founding Partner

@

First Momentum Ventures

Caroline Zhang

Co-founder & CEO

@

Knowtex

Josefien Groot

Co-founder & CEO

@

Qlayers

Kami Krista

Co-founder & CEO

@

Elio

Sebastian Böhmer

Founding Partner

@

First Momentum Ventures

Wiktoria Wójcik

Co-founder & CMO

@

inStreamly

Caroline Zhang

Co-founder & CEO

@

Knowtex

Maxime Paradis

Founder & Managing Partner

@

G. Ventures

Mike Mahlkow

Co-founder & CEO

@

Fastgen

Fabian Rang

Co-founder & CTO

@

paretos

Raffael Wohlgensinger

Co-founder & CEO

@

Formo

Julian Lindinger

Co-founder & CEO

@

PowerUs

Alexandra Miszewski

Co-founder & CEO

@

Novita Biotechnology

Felix Ohswald

Co-founder & CEO

@

GoStudent

Mansi Jain

Co-founder & CEO

@

DigitalPaani

Alexander Valtingojer

Co-founder & CEO

@

Coinpanion

Piotr Grzegorczyk

Co-founder & CEO

@

Deepflare

Eloa Guillotin

Co-founder & CEO

@

Beyond Aero

Alexander Valtingojer

Co-founder & CEO

@

Coinpanion

Alexandra Miszewski

Co-founder & CEO

@

Novita Biotechnology

Eloa Guillotin

Co-founder & CEO

@

Beyond Aero

Fabian Rang

Co-founder & CTO

@

paretos

Felix Ohswald

Co-founder & CEO

@

GoStudent

Julian Lindinger

Co-founder & CEO

@

PowerUs

Mansi Jain

Co-founder & CEO

@

DigitalPaani

Piotr Grzegorczyk

Co-founder & CEO

@

Deepflare

Raffael Wohlgensinger

Co-founder & CEO

@

Formo

1,000+

active Fellows

are building the next wave of impactful organizations.

$2B+

raised

by companies founded by Sigma Squared Fellows, 90% of which was raised after joining the fellowship.

33 countries

across 5 continents with active Sigma Squared Fellows.

Some of our partners

Our Fellows

The Sigma Squared Society is an invite-only community consisting of the world's boldest, smartest, and most forward-thinking entrepreneurs under the age of 26 who build solutions to the world's biggest problems.

Co-founder & CEO

@

Beyond Aero

Eloa Guillotin

Building a hydrogen-electric aircraft.

Co-founder & CCO

@

Enapter

Vaitea Cowan

Providing green hydrogen energy storage worldwide. IPO in 2020. Won the Earthshot Prize.

Co-founder & COO

@

AltScore

Mateo Semerene

Lending-as-a-Service toolbox allowing any company in LATAM to embed and deploy credit products.

Co-founder & CEO

@

Kyon Energy

Philipp Merk

Kyon Energy is a pioneer in energy storage solutions with a project pipeline of >1.500MW.

Co-founder & COO

@

Goodwall

Omar Bawa

Building the leading professional development network for the next generation with over 2 million users in 150 countries.

Co-founder & CEO

@

Fastgen

Mike Mahlkow

Building the Webflow for the backend. Raised $100M+ debt fund for his last company.

Co-founder & CEO

@

Coinpanion

Alexander Valtingojer

Enabling people to invest in cryptocurrencies automatically and securely without any previous knowledge. Raised €5.5M to date.

Co-founder & CEO

@

Polluters Out

Helena Siren Gualinga

A coalition of the entire climate movement and grassroots organizations from around the world.

Some of the companies founded
by our Fellows

Kyon Energy

Kyon Energy is a pioneer in energy storage solutions and develops and sells renewable energy infrastructure and energy optimization software solutions.

Dashlabs

Lab Software, accelerating healthy access to healthcare. 80+ employees in less than two years.

peaq

Powering the Web3 Economy of Things. Raised $9.9M.

Enapter

Replace fossil fuels with low-cost green hydrogen.

Breaktime

Breaking the cycle of young adult homelessness. 1M+ served meals by and for young homeless people.

CircuitMess

Making an AI-powered Batmobile™ in collaboration with Warner Bros to teach kids STEM.

Flowrite

Turning words into ready-to-send emails and messages. Raised $5.1M.

Goodwall

Next-generation community for students & young professionals. 2M+ users in 150+ countries. Raised over $20M.

First Momentum

Dedicated pre-seed venture capital fund for B2B tech and deeptech founders.

Perennial

Soil-based carbon removal: leading measurement, reporting, and verification platform. Raised $18M in Series A.

Goodwall

Next-generation community for students & young professionals. 2M+ users in 150+ countries. Raised over $20M.

CircuitMess

Making an AI-powered Batmobile™ in collaboration with Warner Bros to teach kids STEM.

Flowrite

Turning words into ready-to-send emails and messages. Raised $5.1M.

Perennial

Soil-based carbon removal: leading measurement, reporting, and verification platform. Raised $18M in Series A.

Dashlabs

Lab Software, accelerating healthy access to healthcare. 80+ employees in less than two years.

Enapter

Replace fossil fuels with low-cost green hydrogen.

First Momentum

Dedicated pre-seed venture capital fund for B2B tech and deeptech founders.

Breaktime

Breaking the cycle of young adult homelessness. 1M+ served meals by and for young homeless people.

Kyon Energy

Kyon Energy is a pioneer in energy storage solutions and develops and sells renewable energy infrastructure and energy optimization software solutions.

peaq

Powering the Web3 Economy of Things. Raised $9.9M.

Factmata

One of the first companies in the world to tackle misinformation and disinformation, and raised $3.5M.

Ledgy

Equity management software for startups and businesses. $10M Series A led by Sequoia.

Maverick BioMetals

Developing a biological process to efficiently extract lithium, rare earth elements, and other metals from hard rock deposits

G Ventures

France's 1st Student VC. Funding France's most ambitious young founders.

living brain

Developing solutions for rehabilitation combining psychology, neuroscience and virtual reality. Raised $1.5M.

Beyond Aero

Building a hydrogen-electric aircraft. Supported by top investors and the french government.

Bardeen

No-code workflow automation tool that helps knowledge workers become more productive. $15M Series A.

PowerUs

Digital career platform for technical blue-collar workers. $10M Series A.

Authory

First automated platform bringing together all content of journalists. Managing 3.5M articles for 2.500+ journalists.

ChargeX

State of the art charging solution for electric vehicles. Raised €16M.

PowerUs

Digital career platform for technical blue-collar workers. $10M Series A.

Authory

First automated platform bringing together all content of journalists. Managing 3.5M articles for 2.500+ journalists.

Bardeen

No-code workflow automation tool that helps knowledge workers become more productive. $15M Series A.

Beyond Aero

Building a hydrogen-electric aircraft. Supported by top investors and the french government.

Factmata

One of the first companies in the world to tackle misinformation and disinformation, and raised $3.5M.

Ledgy

Equity management software for startups and businesses. $10M Series A led by Sequoia.

Maverick BioMetals

Developing a biological process to efficiently extract lithium, rare earth elements, and other metals from hard rock deposits

living brain

Developing solutions for rehabilitation combining psychology, neuroscience and virtual reality. Raised $1.5M.

G Ventures

France's 1st Student VC. Funding France's most ambitious young founders.

ChargeX

State of the art charging solution for electric vehicles. Raised €16M.

Wasp AI

Programming language for building full-stack web applications. $1.5M seed round.

Formo

Bringing the next generation of dairy products to consumers. Raised $50M to date.

simpleclub

Germany's top learning app with over 2 million users. Raised €7.2M in Series A.

Parloa

Parloa is one of the leading SaaS platforms for Conversational AI. Raised $23M in Series A.

Coinpanion

Making the crypto world more accessible and transparent with smart portfolios. €5.5M seed round.

EWOR

Helping the greatest talent launch successful businesses with Europe’s top professors, entrepreneurs, and industry leaders

Remnote

The first smart note-taking tool that let's you structure knowledge exactly in the way you think about it. $3M seed round.

Knowunity

Europe's fastest growing learning platform for students with 8M users, €21M funding and up to 100,000 new users per day.

Coinpanion

Making the crypto world more accessible and transparent with smart portfolios. €5.5M seed round.

Formo

Bringing the next generation of dairy products to consumers. Raised $50M to date.

Knowunity

Europe's fastest growing learning platform for students with 8M users, €21M funding and up to 100,000 new users per day.

EWOR

Helping the greatest talent launch successful businesses with Europe’s top professors, entrepreneurs, and industry leaders

simpleclub

Germany's top learning app with over 2 million users. Raised €7.2M in Series A.

Remnote

The first smart note-taking tool that let's you structure knowledge exactly in the way you think about it. $3M seed round.

Parloa

Parloa is one of the leading SaaS platforms for Conversational AI. Raised $23M in Series A.

Wasp AI

Programming language for building full-stack web applications. $1.5M seed round.

Uniting the world’s greatest doers
to initiate change

Global Summit 2023

Lisbon

Global Summit 2022

Lisbon

Read more about what our
Fellows are up to

Find more here

Announcement

October 15, 2024

UK

Sigma Squared Society is now an Official Nominator for The Earthshot Prize 2025!

Sigma Squared Society has for the first time become an Official Nominator for The Earthshot Prize 2025. The Prize is a global initiative aimed at discovering, celebrating, and scaling the most impactful solutions to help repair our planet. We have the honour of nominating standout projects from our community and we are proud to support such impactful initiatives!

RedStone Oracles raises $15M to further expand its oracle products

The Switzerland-based startup with Polish roots RedStone has announced the closure of its $15 million Series A round led by Arrington Capital. RedStone’s modular architecture will determine the next wave of dApps by offering the most gas-optimized and secure oracles in the DeFi space.

TestParty raises $4M to help automate the coding for accessible websites

TestParty, a software compliance company powered by AI, announced a $4 million seed round today co-led by Harlem Capital and the Urban Innovation Fund. The new funding will further accelerate their mission to give engineers the skills that they need to write ADA-compliant code and help businesses avoid violating global digital accessibility regulations.

Lumos secures $35M funding to launch the unified access platform

San-Fransisco based Lumos, a software company centralizing the management of apps and identities for IT and security teams, announced its $35M Series B financing led by Scale Venture Partners with participation from Andreessen Horowitz, Harpoon Ventures, Neo and others.Lumos revenue has grown 9x since its last fundraise, and has won over top enterprise customers like Pinterest, MongoDB, and GitHub.

Codesphere raises €16.5M to reduce infrastructure costs in DevOps

Karlsruhe-based Codesphere, which enables developers to program and scale complex applications directly in the cloud, has secured €16.5 million in funding. Pan-European VC Creandum led the investment round with existing investors including LEA Partners, Begin Capital, 42CAP and 468 also participating. This new capital injection will allow the company to expand its services further, including developing new solutions to manage the cost efficiency of large language models (LLMs) and improve collaboration within development teams.

Parloa receives €61.7M to expand AI-powered customer service platform

Berlin-based Parloa, a leader in AI-powered automation for customer service, announced that it has raised €61.7 million in Series B funding led by Altimeter Capital, with participation from new and existing investors EQT Ventures, Newion, Senovo, Mosaic Ventures and La Famiglia Growth. The funding brings Parloa’s total capital raised to-date to $98 million, following its $21 million Series A funding round led by EQT Ventures in 2023.

Forbes Europe 30 Under 30 2024 list features 12 Sigma Squared Fellows

The 2024 Forbes Europe 30 Under 30 list has unveiled its latest cohort, highlighting 12 exceptional Sigma Squared Fellows spanning Technology, Social Impact, Finance, Media & Marketing, and Healthcare & Science. This year's lineup reflects the growing influence and economic prowess of young leaders. The entrepreneurs and innovators featured on the 2024 list have collectively raised over $1 billion, spearheading transformative ventures.

peaq raises $15M to expand its DePIN ecosystem

peaq has raised $15M to strengthen its web3 network, which enables communities to mobilise around improving physical infrastructure, as the company prepares for launch. Currently, peaq hosts 20 decentralized physical infrastructure networks (DePINs), decentralized apps that use tokens to incentivize people to crowdsource and build connected real-world infrastructure. The funding anticipates peaq's network launch after years of R&D.

What Sigma Squared Fellows say

Josefien Groot

Co-founder & CEO

@

Qlayers

Unique community full of inspiring, young entrepreneurs that are ready to make the world a better place. It’s simply amazing to be in contact with likeminded people that are really focused on solutions rather than problems. Self-development is the key to changing your environment and that is why I like the approach of Sigma Squared, where personal and professional development are both viewed as one.

Julian Lindinger

Co-founder & CEO

@

PowerUs

Sigma Squared is a great place to create friendships with ambitious people. Having a peer group where people support each other and are happy when others are successful is immensely helpful.

Felix Ohswald

Co-founder & CEO

@

GoStudent

It's just a group of astonishing and extraordinary individuals. Being part of that community and having the opportunity to exchange with each other is just amazing.

Vaitea Cowan

Co-founder & CCO

@

Enapter

Sigma Squared is where curiosity, humility and ambition meet. Fellows are dedicated to realizing their vision and sharing their learnings along the way. Being a part of Sigma Squared is the best energizer one can find!

Empowering the World's Most Ambitious Founders Under 26

Omar Bawa

Mona Ghazi

Louise Mabulo

Yoko Spirig

Mateo Semerene

Barbara Stegmann

Helena Siren Gualinga

Ahana Banerjee

Elias Groll

Vaitea Cowan

Philipp Merk

Mona Ghazi

Mateo Semerene

Yoko Spirig

Philipp Merk

Elias Groll

Barbara Stegmann

Vaitea Cowan

Helena Siren Gualinga

Ahana Banerjee

Louise Mabulo

Omar Bawa

Josefien Groot

Kami Krista

Wiktoria Wójcik

Mike Mahlkow

Maxime Paradis

Sebastian Böhmer

Caroline Zhang

Josefien Groot

Kami Krista

Sebastian Böhmer

Wiktoria Wójcik

Caroline Zhang

Maxime Paradis

Mike Mahlkow

Fabian Rang

Raffael Wohlgensinger

Julian Lindinger

Alexandra Miszewski

Felix Ohswald

Mansi Jain

Alexander Valtingojer

Piotr Grzegorczyk

Eloa Guillotin

Alexander Valtingojer

Alexandra Miszewski

Eloa Guillotin

Fabian Rang

Felix Ohswald

Julian Lindinger

Mansi Jain

Piotr Grzegorczyk

Raffael Wohlgensinger

1,000+

active Fellows

$2B+

raised

33

countries

Some of our partners

Our Fellows

Eloa Guillotin

Vaitea Cowan

Mateo Semerene

Philipp Merk

Omar Bawa

Mike Mahlkow

Alexander Valtingojer

Helena Siren Gualinga

Some of the companies founded by our Fellows

Kyon Energy

Dashlabs

peaq

Enapter

Breaktime

CircuitMess

Flowrite

Goodwall

Some of the companies founded
by our Fellows

Uniting the world’s greatest doers
to initiate change

Read more about what our
Fellows are up to