Heinlein Group
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Focus on digital sovereignty: Heinlein Group strengthens management team and expands into Switzerland

Berlin, September 24, 2025 - The Heinlein Group is consistently pursuing its growth course for a digitally sovereign European IT landscape: With the opening of a Swiss branch in Zurich and two strategic management appointments, the group of companies is strengthening its position as a pioneer of technological independence in Europe. The Heinlein Group, provider of the sovereign communication solutions mailbox, OpenTalk and OpenCloud and parent company of the open source specialist Heinlein Support, is thus underlining its goal of an open, secure and digitally sovereign future for Europe.

Chris Hendriks CEO-OpenCloud GmbH

Strategic reinforcement for the European market

"In order to finally make Europe digitally sovereign and thus politically resilient, we need companies with great vision and strong performance. With our strengthened management team and the new Swiss branch, we are following this path. The Heinlein Group is growing, innovative and efficient. With our sovereign communication solutions, we offer real resilient answers for Europe," explains Peer Heinlein, founder and Managing Director of the Heinlein Group.

OpenCloud with new CEO: Chris Hendriks

Dutch entrepreneur Chris Hendriks is to become the new CEO of OpenCloud. For over two decades, he ran a consulting firm specializing in open source-based IT and cloud infrastructures and supported numerous large companies in setting up sovereign IT architectures.

"Open source software is a key component to enable data sovereignty for organizations, companies and citizens. I look forward to working with the OpenCloud team to further develop our cloud-native solution for file management, file sharing and collaboration and to establish OpenCloud as a central element of a sovereign European cloud infrastructure," says Chris Hendriks.

Thomas Fundneider becomes Sales Director of the Heinlein Group and CEO of Heinlein (Schweiz) GmbH

With Thomas Fundneider, the Heinlein Group has gained an experienced Sales Director who will bundle the Group's sales activities and drive its expansion into the European market. The Swiss national was most recently Managing Director of SNP (Schweiz) AG and Head of Sales for several years. He has over 25 years of experience in the sale of complex IT solutions and the development of sales organizations and partner networks.

"The Heinlein Group supports its customers in making their IT systems secure and independent. Our modern and flexible solutions, combined with comprehensive IT services, make the transition from existing systems much easier," says Thomas Fundneider. "I am looking forward to systematically expanding the Heinlein Group's presence in the European core markets."

About the Heinlein Group

The Heinlein Group, based in Berlin, stands for digital sovereignty, data protection and open source. It unites the Heinlein Support, mailbox, OpenTalk and OpenCloud brands under its umbrella, which offer many years of expertise in open standards, personal advice and innovative solutions for secure communication and independent IT infrastructure. Whether email services, video conferencing or file management - the Heinlein Group's products are GDPR-compliant, flexible to use and technically state of the art. Together with the business units Hosting, Consulting and the Heinlein Academy, the Heinlein Group thus covers the entire spectrum for the development and operation of sovereign and resilient IT infrastructures.

Companies, public institutions, educational establishments and providers have trusted the expertise of the Heinlein Group for over 30 years. With its services, it creates maximum control and transparency, strengthens digital independence and promotes sustainable IT development.

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