Meet the team

The experts ready to support you.

Open source cloud collaboration is our passion at Nextcloud GmbH and we have 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 their success.

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Frank Karlitschek

Chief Executive Officer

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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Andreas Rode

Chief Commercial Officer

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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Jos Poortvliet

Director Marketing

Co-founder, Marketing and Communication

Lives in Berlin, Germany

Jos graduated in Psychology from the University of Utrecht and handled 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, being active in the KDE community for over a decade and working as Community Manager for several companies including SUSE Linux.

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Uwe Presler

Director Sales

Sales and partnerships

Lives in Karlsruhe, Germany

Uwe has been educated in IT sales an has worked for a variety of tech enterprises including Deutsche Telekom and Vodafone and more recently the SME market leading CRM, xRM CAS Software AG. He is experienced in the areas of partner and sales management as well as business development.

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Andy Scherzinger

Director Engineering

Software engineering and delivery

Lives in Frankfurt, Germany

Andy graduated in Applied Business in Computer Science and has more than 15 years of experience in delivering custom software solutions and IT consulting to customers. He worked for companies like msg systems and Capgemini supporting enterprises and startups in various industries like telecommunication, travel, logistics and finance with a focus on building software-systems, -platforms and -factories.

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Patrick Walther

Head of Finance

Accounting 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.

Account management

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Christian Göhring

Senior account manager

Sales and account management

Lives in Stuttgart, Germany

Christian grew up in Paris and is now back in Stuttgart for many years. He worked in telecommunication and technology companies for over 20 years and still enjoys French wine, together with family, mountain biking and remote controlled cars.

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Edeltraut Bobb

Sales coordinator

Business administration

Lives in Hawaii, USA

 

Edeltraut studied business administration and has over 13 years experience in domestic, international sales and the open source community. She believes customer satisfaction is based on bringing great customer service, delivered by a caring and friendly person, promptly, with the support of a practical problem-solving process. Edeltraut provides excellent administrative support to our sales team and to any busy sales operation.

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Fabian Liedtke

Senior Account manager

Sales and Partnerships

Lives in Hamburg, 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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Markus Windecker

Account and Partner Manager

Sales and account management

Lives in Herrenberg, Germany

Markus has over 19 years experience as Account and Partner manager at HP and Hewlett Packard Enterprise and Aruba.

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Olivier Paroz

Sales Manager France

Consulting and Sales

Lives in Basel, Switzerland

Olivier studied Economics and Information and Communications Systems Management at the University of Geneva. He did work on the Nextcloud code base and has close to 20 years experience in Consulting, Business Development and large scale deployments. He has helped customers in a broad range of industies both in the private and public sector, with a focus on open source, usability, security and privacy.

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Simon Ebentheuer

Senior account manager

Sales and Account Management

Lives in Nuremberg, Germany

Simon has gained sales experience in the past for ABB, Siemens and most recently for SUSE. Here he was responsible especially for manufacturing customers. Infected with the open source idea he is now happy to provide customers with more productivity thanks to the collaboration platform of Nextcloud. Simon studied teaching and technical journalism and lives in Nuremberg.

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Viktoria Linder

Senior account manager

Sales and Account Management

Lives in Karlsruhe, Germany

Viktoria studied business administration and learned Spanish living in Mexico for a while. She has over 7 years of sales experience and has a strong focus on finding the perfect fit for the needs of the customer.

Sales engineering

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Björn Schießle

PreSales Lead

Co-founder, Consulting and Sales

Lives in Stuttgart, Germany

Björn is a computer scientist, graduated at the University of Stuttgart. He conducted research in the area of cloud robotics before he joined a private cloud community project in 2012 and later co-founded Nextcloud. Björn has a deep knowledge about all technical and legal aspects of Free and Open Source Software. After working for several years as a software engineer he became a sales engineer, using his in-depth knowledge to provide the best possible solutions to our customers.

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Maxime Le Hericy

Sales Engineer

Sales and Customer Relationships

Lives in Nantes area, France

Maxime holds a general engineering master degree. He started his career as a process engineer in the industry, before shifting to IT. He aims to provide his customers with secure, quality and highly-reliable systems or products, in an efficient way. A good listener and interested in complex problem solving, Maxime is dedicated to help customers succeed in their projects.

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João Cortez

Sales Engineer

Sales and Customer Relationships

Lives in Taubaté - Brazil

João has been working since 1997 with infrastructure. His main expertise is in Unix (IBM AIX/Solaris/HP-UX) and Linux. He's happy in physical, virtual and cloud environments and has experience with global companies and in the banking sector.

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Matthias Wobben

Senior Sales Engineer

Sales and Customer Relationships

Lives in Hamburg, Germany

Matthias worked for nine years as a 3rd level IT Engineer and IT Administrator. Acting as a broker between the customer, the Sales and Engineering department, his main focus is to give our clients the best possible advice. Matthias is passionate about innovative technology, enabling clients to collaborate securely while retaining ease-of-use.

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Pietro Marini

Senior Sales Engineer

Consulting and Sales

Lives in La Coruña, Spain

After graduating in Physics in 2011 at University of Pavia, Italy, Pietro has been working as a developer and consultant in the Business Intelligence and Data Analytics sector for many companies across Europe and is now settled in Galicia, Spain. Customer-oriented, self-learner and with a passion in open-source software engineering, Pietro enjoys teaming up with customers to solve complex technical challenges. He also tries to help the general public in forming opinions on the impacts of technology in their life, by spreading concepts and trends around big data, machine learning and the digital economy.

Marketing

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Joshua Ofor

Designer

Visual Identity, Design Systems, Animation, Illustration

Lives in Port Harcourt, Nigeria

Joshua is a multidisciplinary designer & art director, with a push for visual storytelling, sustainability & design par problem-solving. He currently seeks to design systems, spaces & create other forms of visual arts. He holds a brief but viable experience in the creative industry, previously working as a Snr. Creative Designer at Mesh Design Studios. He’s a TEDx aficionado, a design contributor at the Open Source Community Africa and a UN Youth Delegate.

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Marija Puselja

Marketing and PR coordinator

PR and design

Lives in Berlin, Germany

Marija hold’s a master's degree in Journalism and Public Relations. She mostly finds her inspiration in the strength of visual delivery of information through photography, as much as she admires the creativity of witty and intelligent writing and finally, a well-executed layout and design.

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Marinela Gogo

Online Marketer

Customer relations and content

Lives in Tirana, Albania

Marinela studied Business Informatics in the Faculty of Economics, University of Tirana. She got involved in open source in 2015, first by contributing to open source projects and then, in 2016, she started co-organizing events or conferences in Tirana to promote software freedom, open knowledge and the importance of open source in the public sector.

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Marko Bijelic

UI/UX Designer

Visual Identity, Design Systems, Animation, Illustration

Lives in Banja Luka, Bosnia and Herzegovina

Marko is working as a UI/UX Designer for 14 years. He has worked directly for clients like Coca-Cola, Audi and McLaren and for numerous startups featuring CrazyEgg, Flippa, Udemy and Tim Ferris. Marko has diversified skillset. He is college dropout and auto didactic.

Back office

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Vanessa Steeg

Executive assistant

Sales, marketing, 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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Alexandra Boehm

Accountant

Accounting and finance

Lives in Berlin, Germany

Experienced Accountant and Office Manager with a long history of working in the computer software industry.

Engineering and support

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Barthélémy Briand

Server lead

Server, contacts, front-end and accessibility

Lives in France

Barthélémy is a software engineer specialized in front-end development. He cares about simplicity and ease of use and likes to create a smooth user experience for everyone. He has been part of the contacts and design team since 2016.

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Christoph Wurst

Groupware lead

Front-end, Two-factor Authentication and Mail

Lives in Hadres, Austria

Christoph has been working on the Nextcloud code base since 2014. He has a master's degree in Software Engineering from the University of Applied Sciences Upper Austria.

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Daphne Muller

Support lead

Customer satisfaction and process coordination

Lives in Amsterdam, the Netherlands

Daphne graduated from the Eindhoven University of Technology and gained work experience in consultancy, teaching, and various tech start-ups. She conducts academic research in Human-Computer Interaction about privacy and data minimisation. As support lead, she evolves the support process to improve customer and developer happiness.

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Jan-Christoph Borchardt

Design Lead

Co-founder, Simplicity & Ease of Use

Lives in Berlin, Germany

Jan-Christoph is responsible for design on Nextcloud with a decade of experience in the project. 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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Joas Schilling

Talk Lead

Co-founder, Security, Server and Talk

lives near Stuttgart, Germany

Joas has been involved in open source since 2006, being a core member of the phpBB™ developer team and has been working on Nextcloud code since late 2013. He graduated from the University of Stuttgart and is the Team Lead of Nextcloud's WebRTC chat and video solution Nextcloud Talk.

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Julius Härtl

Office Lead

Office and productivity

Lives in Würzburg, Germany

Julius is involved in the Nextcloud community since the beginning, working on frontend and backend development of the server and apps like Deck. He is currently doing his master's degree in computer science at the University of Würzburg.

What I look like when not eaten by a shark

Lukas Reschke

Security Lead

Co-founder, Security

Lives in Berlin, Germany

Lukas has been contributing to the Nextcloud code base 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, training and dealing with breaches at Fortune 500 companies and several of the largest Swiss financial institutes. He also worked at Facebook, creating privacy and security roadmaps, working on privacy incident management, security analysis, review and more.

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Tobias Kaminsky

Client lead

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.

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Alex Zolotov

Software Engineer

Desktop Client

Brovary, Ukraine

Alex has a master's degree in computer science. He worked in the gaming industry on well-known game franchises doing C++ and ActionScript but also freelanced while traveling through South East Asia in a variety of front-end and back-end work with JS, and even more with C++ and Qt. He's into cyberpunk and 80's heavy metal.

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Álvaro Brey Vilas

Software Engineer

Android Files app

Lives in Santiago de Compostela, Spain

Álvaro has a masters's degree in AI, and is a generalist software engineer with experience in Android, DevOps and frontend. He's passionate about automation and code cleanliness. In his spare time, he's busy automating his home, modeling and 3D printing stuff, playing videogames or reading about technology.

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Anna Larch

Software Engineer

Groupware

Innsbruck, Austria

Anna gained her BSc at University of Central Lancashire and worked for a few companies, most recently Barracuda.

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Arthur Schiwon

Software Engineer

Co-founder, LDAP and Comments

Lives in Berlin, Germany

Arthur Schiwon has been working on the Nextcloud code base 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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Brian Krause

Support Engineer

Spreed.ME, Customer Service

Lives in Berlin, 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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Camila San Martin Ayres

Software Engineer

Desktop client

Lives in Berlin, Germany

Camila is from Brazil and has worked as front-end developer, with C#, Java and even Delphi. She got into open source doing C++/Qt development in the KDE community. After moving to Germany she worked with PHP, Ruby on Rails, AngularJS, Go and Drupal 7. She's now a desktop client developer at Nextcloud but just might do other things than C++ sometimes.

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Carl Schwan

Software Engineer

Server

Lives in Saarbrücken, Germany

Carl is from a Franco-German family and lived in Germany and France. He's involved in the KDE community, leading its web efforts as well as being a core member of promo, Plasma, Plasma Mobile and fundraising teams and maintaining NeoChat, KDE's Matrix client.

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Christopher Ng

Software Engineer

Front-end and back-end

Lives in Vancouver, Canada

Christopher is a software engineer who works across front-end and back-end technologies and enjoys dabbling in DevOps from time to time. He is a Canadian, an advocate of the open source software movement, and has a passion for lifelong learning.

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Daniel Calviño Sánchez

Software Engineer

Talk, front-end

Lives in Oviedo, Spain

Daniel has a master's degree in Computer Engineering. He has been developing all kind of free software projects for several years, including KDE applications, web applications, low-level Android components and even Linux kernel drivers, and now he is applying his experience and passion for free software in the front-end and testing areas of Nextcloud.

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Daniel Kesselberg

Software Engineer

Groupware and Server

lives near Darmstadt, Germany

Daniel has been contributing to Nextcloud for several years and worked as a software engineer for much longer.

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Felix Weilbach

Software Engineer

Desktop client engineer

lives near Stuttgart, Germany

Felix apprenticed in automotive mechatronics and then decided to study Computer Science in Augsburg. He is a big free software fan and develops a small Android app named SplitBills. He's an Emacs user and loves mountain biking.

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Greta Doçi

Software Engineer

Front-end

Lives in Berlin, Germany

Greta has finished her master studies in University of Tirana for Information and Communication Technology. She is an Albanian long-time Wikipedia contributor and Nextcloud advocate. She joined our front-end developer team after completing a joint internship with Wikimedia Deutschland and Nextcloud.

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Ivan Sein

Software Engineer

Talk and iOS

Lives in Stuttgart, Germany

Ivan graduated as CS engineer from the University of the Basque Country and is involved in Nextcloud Talk development since the beginning. He is also the principal author and maintainer of the Nextcloud Talk iOS app.

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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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Julien Veyssier

Software Engineer

Office, full stack/app developer

Lives in Montpellier, France

Julien has a master's degree in computer science and does public research for 10 years as scientific computing engineer in biology and geographical data processing. He loves interactive maps, collaborative tools, and is passionate about the Free Software movement. He started contributing to the Nextcloud code base in 2015 and has developed 6 apps since then. He has much experience in data processing and computing optimization.

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Louis Chemineau

Software Engineer

Server and front-end

Lives in Lauris, France

Louis is a software engineer with a passion for new technologies and how they shape our society. He focuses his work on empowering citizens with and towards new technologies. One of the ways he does that is with flap which helps people self-host services like Nextcloud. Also, he is into climbing!

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Luka Trovic

Software Engineer

Office, full stack

Lives in Raska, Serbia

Luka is a full stack developer specialized in JavaScript and PHP. He has over 8 years of professional experience with software development.

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Marcel Hibbe

Software Engineer

Android Talk app

Lives in Berlin, Germany

Marcel has a master's degree in Geoinformation and Visualization at University of Potsdam and has been developing mapping web applications, working on routing and navigation related topics.

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Matthieu Gallien

Software Engineer

Desktop client

Lives in Chambéry, France

Matthieu is a passionate software engineer with over a decade of experience in the software industry, especially in the embedded software area. He is part of the team responsible for the desktop client and developing the open source Elisa music player in his free time in the KDE community.

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Marco Ambrosini

Software Engineer

Talk, frontend and design

Lives in Barcelona, spain

Marco is a front end developer that cares deeply about design and user experience. He is part of the talk and design teams.

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Marino Faggiana

Software Engineer

Apple iOS developer

Lives in Vicenza, Italy

Marino studied telecommunications in Vicenza. While studing engineering at Padua University he founded software company T.W.S. He is the principal author of Crypto Cloud, a popular iOS application which became the base for the Nextcloud iOS app. He is fond of microelectronics, telecommunications and information technology.

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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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Maxence Lange

Software Engineer

Server, 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 Nextcloud full-text search apps and Circles.

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Nimisha Vijay

Designer

User experience and Interface design

Lives in Bangalore, India

Nimisha is a user experience designer based in India. She has a degree in engineering and has been contributing to Nextcloud design since late 2020. She is interested in the relationship we have with technology and the role of design in shaping it, and is passionate about ethical, democratic, and open-source software.

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Robin Appelman

Software Engineer

Co-founder, server, 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 Nextcloud code since its earliest incarnation in 2010 and has, at one point or another, touched code in every corner.

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Richard Steinmetz

Software Engineer

Groupware

Lives in Dresden, Germany

Richard studies computer science and has been contributing since late 2020 to Nextcloud. He's passionate about open source and technology in general.

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Simon Lindner

Design Student

Server, UX and interface design

Lives in Berlin, Germany

Simon is currently studying design and works part time for Nextcloud. He has a degree in architecture and has been contributing to Nextcloud since 2019. He is interested in making Nextcloud and open-source software in general accessible to everyone and has experience in ticket triaging, Shell scripting, writing documentation, VMs and server administration.

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Tim Krüger

Software Engineer

Android Talk app

Lives in Herne, Germany

Tim has worked in the field of navigation solutions for 13 years, most recently further developing and operating the backend for routing and geocoding services. He has a Dipl.-Ing. (FH) in geoinformatics from the Bochum University of Applied Sciences.
Cleaning up is one of his passions. No matter if code, documentation or dependencies. And since he likes to finish work early, he automates what he can.

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Vincent Petry

Software Engineer

Full stack, server

Lives in Stuttgart, Germany

Vincent is a full-stack software engineer with many years of experience in the open-source space. He's well-known for quickly finding bugs in various systems and his ability to debug deeply in unknown territories and also write extensive bug reports. He's now working in the Nextcloud server team using Vue.js, PHP and other technologies.

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