Empowering the World's Most Ambitious Founders Under 26

Sigma Squared Society is a global community of 1,000+ of the most ambitious, young entrepreneurs who are on a mission to push boundaries, transcend industries and develop cutting-edge innovations to foster change.

With a presence across five continents and 31 countries, our mission is to identify and empower the next generation of leaders by providing them with access to like-minded founders, investors, mentors, partners and events.

The minds behind Sigma

Executive Board

Julia Zhou

President

Aleksandra Reinert

Engagement & Communications Director

Greta Pappa

Curation Director

Sebastian Becker

Investor Relations Director

Anjali Agarwal

Community Director

Community Leadership

Ronja Holopanien

North West Europe Director

Anjali Agarwal

Community Director

Dominik Doerner

Head of Community Operations

Enya Seguin

Africa Director

Juan Pablo Carrillo Estefan

Latam Director

Ahmed Badr

US Director

Claudio Rebernig

South East Europe Director

Mark Caffrey

Horizontals Director

Executives

Sofia Giusiano

Argentina

Daniel Ospina

Colombia

Juan Miguel Roman Roig

Bolivia

Daniel Febres-Cordero

Ecuador

Ahmed Badr

USA - New York City

Lisa Shmulyan

USA - San Francisco

David Zamarin

USA - Boston

Elizabeth Ewudiwa

Ghana

Collins Mbulakyalo

Uganda

Jasper Simpkin

Kenya

Dimitris Dimosaris

Greece

Elena Ivanova

Bulgaria

Aleksandra Reinert

Poland

Maria Šimůnková

Czech Republic

Linda Karger

Germany - Munich

Dominik Doerner

Germany - Karlsruhe

Jonathan Kurth

Germany - Cologne

Alessandro Nora

Italy

Antonella Tsoukala

Sweden

Aurelia Liechtenstein

Spain

Lumi Maunuvaara

Finland

George Gabonian

France

Maxime Paradis

France

Fryderyk Sitnik

Web3 Horizontal

Leonard Rinser

Healthcare Horizontal

Ingmar Klein

Education Horizontal

Matthias Rossini

Creator Economy Horizontal

Emma Heiling

Climate Horizontal

Maija Luukka

Climate Horizontal

Camiel Verschoor

AI & ML Horizontal

Freek van Welsenis

Hardware Horizontal

Rina Bogdanovic

Croatia

Albert Gajšak

Croatia

Harry Hubble

UK

Sidharth Rath

India

Pedro Cecil

Brazil

Paulina López Zibara

Mexico/Guatemala

Min Seon

South Korea

Dana Aleff

B2B Horizontal

Deivis Shomo

Austria

Alexandra Butmalai

Sweden

Parker Revers

USA - Austin

Carmen Jenny

Germany - Berlin

Ana-Maria Pricop

UK

Elina Teplygina

Switzerland

Investor Relations

Sebastian Becker

Investor Relations Director

Lin Liu

Dealflow / Mentoring Platform

Juan Pablo Carrillo Estefan

Latam Investors

Philipp Werner

Institutional Investors

Laura Raggl

Angel Investors

Benedikt Albertsen

Mentoring Platform

Summit

Greta Pappa

Curation Director

Sophie Spitzer

Volunteers Lead

Sylvie Steinegger

Workshop Coordinator

Johannes Oster

Operations Lead

Luis Woite

Tech Lead

Klara Hatinova

Evening Events Lead

Radim Plško

Transportation Lead

Communications

Aleksandra Reinert

Engagement & Communications Director

Wiktoria Bulik

Head of Social Media

Seohyun Lee

Marketing Coordinator

Elina Teplygina

Social Media Manager

Wesley Chambers

Creative Partner

Supervisory Board

Daniel Dippold

Co-founder, EWOR; Initiator, Sigma Squared

Michael Kowatschew

Entrepreneur; Former President, Sigma Squared

Emanuel Jöbstl

Community Director, Factory, Former Community Director, Sigma Squared

Sian Sutherland

Co-founder, A Plastic Planet

Xavier Sarras

Founding Partner, 4P Capital

Advisory Board

David Rowan

Former Editor-in-Chief, WIRED

Max von Bismarck

CBO, Raisin

Ricardo Pires

CEO, Semapa

Honorary Members

Fiona Macintyre

Founder, Forming Impact

Dr. Felix Grisard

Owner, Hiag AG & Founder, MTIP

Eric Sarasin

Board Chairman, The Singularity Group

Otmar Debald

Former CFO, Procter & Gamble

Dejan Jovivevic

CEO, Brutkasten

Sean Boyle

Co-founder, unitmode; Twitter’s first Head of Sustainability