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 33 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
Sidharth Rath
Asia 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
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
Leonard Rinser
Healthcare Horizontal
Ingmar Klein
Education Horizontal
Matthias Rossini
Creator Economy Horizontal
Maija Luukka
Climate Horizontal
Camiel Verschoor
AI & ML Horizontal
Freek van Welsenis
Hardware Horizontal
Rina Bogdanovic
Croatia
Albert Gajšak
Croatia
Harry Hubble
UK
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
Paolo Licata
Climate Horizontal
Shreya Pattar
UAE
Jessica Lee
Singapore
Debabrata Das
India
Philip Mburu
Web3 Horizontal
Maryam Bello
Nigeria
Kibe John
Kenya
Will Blair
USA - San Francisco
Flor Ronsmans De Vry
USA - San Francisco
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
Assen Plevneliev
Partnerships Executive
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