This episode is a special fireside chat recorded live at A3F 2026 in Zurich with Andy Yen, founder and CEO of Proton.
What started as a project by scientists and engineers from CERN has grown into one of the world's leading privacy-first technology companies, serving more than 100 million users globally across email, VPN, cloud storage and security products.
In this conversation, Andy shares the remarkable story behind Proton, why almost no investors believed in the company in the early days, and how a crowdfunding campaign helped turn an ambitious vision into reality. He also reveals how Apple co-founder Steve Wozniak became an early supporter — and why all he received in return was a Proton t-shirt.
We also discuss why raising capital has become easier today, whether that is actually beneficial for founders, and why companies had to become much stronger when venture capital was harder to access.
Other topics include:
The early days of Proton and building from CERN
From crowdfunding to 100 million users
Why talent is the most important ingredient for scaling a company
Hiring globally and building world-class teams
Why Switzerland is great for startups but often difficult for scale-ups
Trust, privacy and the future of AI
Why technology increasingly competes on trust
What needs to change in Switzerland's startup ecosystem and politics
Building globally from Switzerland
One of the most inspiring conversations from A3F 2026 about ambition, trust, technology and what it takes to build a category-defining company.