Privacy and giving everyone control over their own data are core values of ours. There are no third party cookies for web analytics, marketing or advertising. But we would like to understand how we can make our web site better and more useful. You can help us do that by allowing our Swiss hosted Open Source web analytics to gather pseudonymized information about your Vereign journey. For more information, please read our privacy policy.

About us

Empowering individuals and businesses alike

We are a bunch of like-minded people who think that your privacy matters. It brought us together to build a tool that allows you to easily manage your digital life. We make it happen with openness, transparency and the latest technology.

Users around the world use Vereign to add a layer of trust, privacy and security to their day-to-day communications.

Our Ecosystem

We partner with the best teams

We can't do this alone. Same principles, same values, allow us to build our own trusted network. Together we collaborate with many customers, partners, associations and projects for one purpose, to make the world a better place.

Our Team

Together, we are Vereign

We are an international team with experienced founders of diverse backgrounds, senior technologists, legal experts, business specialists and advisors. Together we solve challenges and make Vereign happen!

Georg C. F. Greve

Chairman & Head of Product Development

Claus H. Bressmer

Chief Executive Officer

Dr. Felix Greve

Head of Legal, Compliance and Information Security

Gonpo Tsering


Giles Vincent

Brand & UI/UX Partner

Gospodin Bodurov

Head of Development

Ivan Dzheferov

Community Manager

Rosen Georgiev

Head of QA

Olgun Cengiz

Senior Software Engineer

Dr. Damyan Mitev

Technical Architect

Sasha Ilieva

Software Engineer

Alexey Kuklin

Head of DevOps

Igor Markin

Senior Software Engineer

Kalin Canov

Product Manager

Boris Dimitrov

QA Automation Engineer

Alexey Lunin

Senior Front-end Developer

Alisa Dinaburg

Software Engineer

Zdravko Iliev

Software Engineer

Thomas Brüderli

Author of Roundcube Webmail Client

James Donaldson

CEO, Copperhead (Mobile Security)

Sébastien Fanti

Lawyer, Notary, and Data Protection Commissioner of the Swiss Canton of Valais

Pete Herzog

Security Analyst and Co-founder of the Institute for Security and Open Methodologies

Prof. Dr. Daniel Kuhn

Chair of Risk Analytics and Optimization at EPFL

Michael Meeks

Managing Director at Collabora and Vice-Chair of The Document Foundation (LibreOffice)

Hans de Raad

CEO at OpenNovations and Head of ICT committees at DARQA and IsfTeh (Pharma Specialist)

Martin Risch

Senior Executive in Corporate Finance and Payment Systems

Prof. Dr. Simon Schlauri

Ronzani Schlauri Attorneys

Charles-H. Schulz

Expert at ANSSI; Director, Open Information Security Foundation and Founder of The Document Foundation

Niibe Yutaka

Chairman, Free Software Initiative Japan and Author of Gnuk (USB Open-Source Crypto Token)

“We invested in Vereign as they are addressing a highly relevant topic of our time (digital identity & secure communication) via a smart and practical solution with a strong team driving it.”

Olaf Hannemann, Co-Founder and CIO at CVVC


Vereign makes IT real

Discover how these tools help you add trust to your digital world, whether you’re an individual or a business.