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Jutta Horstmann joins Heinlein's leadership team as co-CEO

Jutta Horstmann joins the Heinlein Group as new co-CEO. Find out what this means for mailbox in our news update.

Jutta Horstmann und Peer Heinlein

We have exciting news: From 15th September, our company founder Peer Heinlein will have a new partner leading the Heinlein Group. Jutta Horstmann is taking on the role of co-CEO and will lead the company alongside him, focusing particularly on strategic development and strengthening digital sovereignty in Europe.

As part of the Heinlein Group, which includes mailbox alongside Heinlein Support, OpenTalk and OpenCloud, we're particularly pleased about this development. With Jutta Horstmann, we're strengthening our position as a provider of independent and secure communication solutions for Germany and Europe.

Experienced open source expert as new leader

Jutta Horstmann brings decades of experience from the open source community. Most recently, she served as managing director of the Centre for Digital Sovereignty (ZenDiS). Before that, she worked as COO and CTO at international tech company eyeo (Adblock Plus), where she drove both the technological realignment and company growth to over 300 employees.

This expertise fits perfectly with our shared approach: throughout her career, she has supported community-focused digitalisation, open source technologies and sustainable business development – exactly the values we've stood for at the Heinlein Group for over 30 years.

Our mission: digital sovereignty

Under the Heinlein Group umbrella, mailbox, OpenTalk, OpenCloud and Heinlein Support form important parts for an independent digital infrastructure. Our philosophy: all our solutions are based on open source technologies, can be operated independently, and stand for data protection and long-term availability. Together, we help public institutions, businesses and civil society reduce critical dependencies on big tech corporations and work towards an open and secure digital future for Europe.

More about the Heinlein Group

In recent years, Heinlein has grown significantly as a group of companies. Today, our team consists of four strong brands – Heinlein Support, mailbox, OpenTalk and OpenCloud – and employs over 150 people. It is time to present our group and our vision with our own website. Find out more at www.heinlein.group.

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