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Meet the team

The experts ready to support you.

Open source cloud computing is our passion at Nextcloud GmbH and we've built a great team of experts around it. Our engineers, designers and support professionals work as an integral part of the wider Nextcloud community to give customers direct access to the most advanced, in-depth knowledge they need for success.

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Frank Karlitschek

Managing Director

Founder

lives in Stuttgart, Germany

Frank founded the ownCloud project in 2010 to put home users and enterprises back in control of their data. To bring file sync and share technology to the next level and better align to the needs of users and customers he founded Nextcloud in 2016 and has been tirelessly working to realize his vision ever since.

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Niels Mache

Managing Director

Founder

lives in Stuttgart, Germany

Currently managing director at Struktur AG and Nextcloud GmbH, Niels was a co-founder of delix GmbH, one of the first Linux service providers, and of Red Hat Deutschland GmbH. During this time he led Red Hat Deutschland's development department as Director of Development, among other positions.

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Andreas Rode

Head of Sales

Sales and Partnerships

lives in Hannover, Germany

 

Andreas studied Economics and has 20 years experience in Business Development, Partner- and Sales Management. Andreas worked for companies like Oracle, EMC, Yahoo and Google and also for start ups in the Cloud Computing and Online Marketing space.

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Fabian Liedtke

Account manager

Customer relations

lives in Celle, Germany

 

Fabian worked for various industries always close to the customer and has been in the IT industry now for several years with a focus on customer relationship management. He is passionate about innovative and new technologies and his primary goal is to help our customers to fulfill their vision.

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Olivier Paroz

Senior Solutions Consultant

Business solutions, Multimedia and Embedded

lives in Lausanne, Switzerland

Olivier studied Economics and Information and Communications Systems Management at the University of Geneva. He contributed to ownCloud for several years and has 15 years experience in delivering strategic solutions with a focus on open source, security and privacy for customers in industries as diverse as telecom, media, insurance, retail, broadcasting, sports and science.

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Matthias Wobben

Sales Engineer

Sales and Customer Relationships

lives in Berlin, Germany

Matthias worked for nine years as a 3rd level IT Engineer and IT Administrator with a strong focus on customer relationship management. He is passionate about innovative technology, enabling clients to collaborate securely while retaining ease-of-use.

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Patrick Walther

Sales Manager

Sales and Finance

lives in Stuttgart, Germany

 

Patrick was co-founder of struktur AG in 2000, responsible for sales and finance. He held several sales and marketing positions at IBM and Oracle, adding up to more than two decades of experience in the IT industry.

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Jos Poortvliet

Head of Marketing

Co-founder, Marketing and Communication

lives in Berlin, Germany

Jos graduated in Psychology from the University of Utrecht and did project and service level management at Royal Bank of Scottland, KPN and the Dutch Department of Education. He has over a decade open source marketing and PR experience, previously working as Community Manager for SUSE Linux and ownCloud Inc.

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Nina Cercy

Marketing Intern

Marketing and Content

lives in Stuttgart, Germany

Nina studied Business and Management at HEC Paris. She got involved in Open Source two years ago, and she's especially working on personal data protection regulation. She co-directed Numérique, reprendre le contrôle in 2016.

What I look like when not eaten by a shark

Lukas Reschke

Security Lead

Co-founder, Security

lives in St. Gallen, Switzerland

Lukas has been contributing to ownCloud since 2012 and is responsible for many of the security hardenings in the code. He has worked as security assessment and forensic investigator, reviewing security, giving trainings and dealing with breaches at Fortune 500 companies and several of the largest Swiss financial institutes.

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Vanessa Steeg

Project Manager

Marketing, Media design and Project Management

lives in Stuttgart, Germany

 

Vanessa has a degree in Media Design and qualifications as Executive Assistant in various languages (German, English and Spanish). Her experience ranges from project management to graphic design, marketing and communication.

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Jan-Christoph Borchardt

Design Lead

Co-founder, Simplicity & Ease of Use

lives in Munich, Germany

Jan-Christoph is responsible for design on ownCloud since early 2011, continuing at Nextcloud. He pushes forward better design in open source through founding and contributing to several projects, giving talks, working with universities, and fostering the Open Source Design collective.

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Brian Krause

Support Engineer

Spreed.ME, Customer Service

lives in Stuttgart, Germany

Brian has a degree as IT-Systemkaufmann, decades of professional experience in IT Customer Service, Support and Sales and joined Struktur AG in 2010 as Customer Care representative. As first contact person for Nextcloud, Struktur AG and Spreed he makes sure you get the best possible support.

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Marius Blüm

Customer Service

Support and Documentation

lives in Heilbronn, Germany

Marius was active in Nextcloud since day one, contributing in various forms to documentation, website, support and more. He is studying and works part time.

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Artur Bergen

Software Engineer

Spreedbox, Spreed.ME, WebRTC

lives in Stuttgart, Germany

Artur graduated Interface Designer (B.A.) and he is currently doing his second Bachelor in Media Informatics (B.Sc.), Stuttgart. His primary tasks lie in the development of the Spreedbox and Spreed.ME hardware and software components.

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Arthur Schiwon

Software Engineer

Co-founder, LDAP and Comments

lives in Berlin, Germany

Arthur Schiwon has been working on ownCloud since 2010, developing state of the art user management and directory support. Before he has been SEO project manager at construktiv and was active in the Kubuntu community, still being a Free and Open Source Software enthusiast and privacy activist.

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Björn Schießle

Software Engineer

Co-founder, Federation and Encryption

lives in Stuttgart, Germany

Björn has been developing federated technology for ownCloud since 2012. Computer Scientist, graduated at University of Stuttgart and Open Source and Open Standards Evangelist for privacy respecting, distributed and federated networks, FSFE's Deputy Coordinator Germany has a deep understanding of the technical and social aspects of technology.

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Christoph Wurst

Software Engineer

JavaScript, Two-factor Auth and Mail

lives in Schrattenthal, Austria

Christoph has been contributing to ownCloud since 2014. He is currently doing his Software Engineering master at the University of Applied Sciences Upper Austria.

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Dirk Farin

Research Scientist and Software Engineer

WebRTC, Codecs, Spreed.ME

lives in Stuttgart, Germany

Dirk graduated from the University of Stuttgart, Germany and received his PhD from the University of Technology in Eindhoven. He worked on MPEG-4 video coding, panoramic video visualiation and compression for 3-D television at universities and research institutions in Europe and the United States and currently works on an open source H.265 decoding/encoding library.

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Georg Ehrke

Software Engineer

Calendar, Front-end

lives in Rostock, Germany

Georg Ehrke is studying computer science at University of Rostock and maintainer of the Calendar app. He's been doing ownCloud, now Nextcloud, for many years and knows both the front and backend code well.

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Harald Pfeifer

Software Engineer

Desktop Client

lives in Hollabrunn, Austria

Harald does an internship for Software Engineering bachelor at the University of Applied Sciences Upper Austria.

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Ivan Sein

Software Engineer

Monitoring and WebRTC

lives in Stuttgart, Germany

Ivan graduated as CS engineer from the University of the Basque Country and has been developing the Spreed.ME iOS app since 2013. He has also been working on server monitoring and iOS support.

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Joachim Bauch

Software Engineer

WebRTC, Realtime Streaming, Telephony Interfacing

lives in Stuttgart, Germany

Joachim graduated computer science in Stuttgart and has been committing to various open source projects for a long time, including Google's WebRTC project and was core developer for the Red5 streaming server between 2005 and 2008.

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Joas Schilling

Software Engineer

Co-founder, Activity, Workflow and Notifications

lives in Stuttgart, Germany

Joas has been involved in open source for over a decade, being a core member of the phpBB™ developer team and has been working on ownCloud code since late 2013. He graduated from the University of Stuttgart and developed the Notifications and Activities technology in Nextcloud.

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Leon Klingele

Software Engineer

Spreed.ME, Spreedbox, Embedded

lives in Stuttgart, Germany

Leon is currently doing his Bachelor of Science at Media University, Stuttgart. His primary tasks lie in the development of the Spreedbox and Spreed.ME software components.

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Mario Danic

Software Engineer

Android Development

lives in Croatia

Mario is part of the Nextcloud Android application development team. He studied Informatics and Organization and has been leading Libburnia and Gnomebaker, popular open source projects, for over a decade.

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Maxence Lange

Software Engineer

Consulting Services, App development, Full Text Search

lives in Santa Maria, Cape Verde

Maxence has extensive experience in PHP and Java/android development as well as database and network management. He is the principal author and maintainer of the Nextant full-text search app.

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Morris Jobke

Software and Support Engineer

Co-founder, Server and Support

lives in Chemnitz, Germany

Morris has worked on ownCloud since early 2013. He has worked with most components of the server and uses his experience now at Nextcloud to troubleshoot and create fixes for issues in large scale installations.

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Robin Appelman

Software Engineer

Co-founder, Filesystem and Scalability

lives in Eindhoven, Netherlands

Robin studied computer science and is highly experienced in scaling file storage and handling systems. He has been working on ownCloud code since 2010 and has, at one point or another, touched code in every corner.

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Roeland Douma

Software Engineer

Co-founder, Desktop Client, Sharing

lives in Zuidoostbeemster, Netherlands

Roeland has been working on improving sharing since 2015. Has a MSc degree in Computer Science from the University of Amsterdam, having done research for his PhD in cache partitioning for real time systems. With feet in both the client and server team he works on having a tighter platform integration.

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Simon Eisenmann

Software Engineer

Spreedbox, Packaging, Embedded

lives in Stuttgart, Germany

Simon handles technical project management and coding. He spearheads the backend and frontend services development and defines the system architecture and infrastructure for the Spreedbox. He has extensive WebRTC, AngularJS, Go and Python experience.

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Tobias Kaminsky

Software Engineer

Android Client

lives in Langen, Germany

Tobias studied Sports and Computer Science in Darmstadt, is an experienced Java/Scala engineer and has a background in database development at a research institute for applied training science. He has been contributing to the Android app since 2013.