Stefan Preuss
Senior Vice President Delivery & Cloud Engineering at Open-Xchange
Olpe, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolStefan Preuss is a seasoned technology executive with 25 years in product and software development and 17 years of hands-on experience leading global delivery and cloud engineering teams. As Senior Vice President at Open-Xchange he runs end-to-end customer delivery — from pre-sales and PMO to professional and engineering services — and has built and managed distributed teams of up to 60 people across the US, Europe, and Asia. He has overseen large-scale email deployments, migrations and operations for ISPs, telcos and hosting providers, including platforms supporting up to 35 million users and multi-million-dollar revenue streams. A pragmatic strategist, he combines customer-centric solution design with operational rigor and mentoring to align technology execution with business goals. Notably, his background spans both deep engineering origins (UI/UX team lead and senior developer roles) and executive leadership, giving him rare fluency across product, delivery and company strategy.
18 years of coding experience
17 years of employment as a software developer
Industrial Management Assistant, Accounting, Sales, Purchase and Commerce, Industrial Management Assistant, Accounting, Sales, Purchase and Commerce at J. J. Kemper, Inh. Arens e. K.
German, English
Github Skills (1)
middleware7
Programming languages (2)
Github contributions (2)
open-xchange/appsuite-frontend
Aug 2011 - Jun 2016
Mirror of App Suite UI code
Contributions:84 commits in 4 years 10 months
suite
open-xchange/appsuite-middleware
Sep 2008 - Mar 2011
Mirror of App Suite middleware code
Contributions:6 commits in 2 years 6 months
middleware
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