Marcel Klehr
Chief Operating Officer North America
Detroit Metropolitan Area United States
Summary
🤩
Rockstar🎓
Top SchoolMarcel Klehr is an experienced technology and operations executive with 15 years of leadership in sales, M&A and organisational transformation, currently serving as Managing Director and Board Member for ALTEN Germany & Austria. He combines strategic private-equity and go-to-market experience with a track record of building high-performance teams and reshaping market approaches across large engineering and service organisations. Marcel’s hands-on technical background includes meaningful open-source contributions to popular projects like Nextcloud (Deck, Bookmarks) and Etherpad, where he focused on front-end UX, accessibility and developer documentation—an uncommon blend for a board-level executive. He holds advanced academic credentials including a PhD and brings cross-border experience from senior roles at Formel D and Schüco. Known for translating complex technical needs into commercial value, he pairs a curious engineering mindset with seasoned corporate governance. Based in Hamburg, he balances executive leadership with active participation in developer communities, revealing both strategic breadth and product-level attention to detail.
15 years of coding experience
3 years of employment as a software developer
Dr. phil./PhD Focus of study: Electromobility, Innovation Management, Global Cooperation, Dr. phil./PhD Focus of study: Electromobility, Innovation Management, Global Cooperation at Friedrich Schiller University JenaMaster of Arts Focus of study: Solar Technology, Regulatory Policy, Master of Arts Focus of study: Solar Technology, Regulatory Policy at Ludwig-Maximilians-Universität MünchenBachelor of Arts Focus of study: Solar Technology, B2B-Marketing and Industrial Sales, Bachelor of Arts Focus of study: Solar Technology, B2B-Marketing and Industrial Sales at HSBA Hamburg School of Business Administration
Stackoverflow
904reputation
28kreached
10answers
2questions
algorithm
top-5%
Github Skills (44)
asynchronous10
cli10
javascript10
text-editor10
sphinx10
async10
css10
command-line-interface10
internationalization10
user-interface10
html-editor10
editor10
stream10
vue-component10
vue10
Programming languages (26)
Github contributions (5)
nodists/nodist
Jul 2012 - Dec 2016
Natural node.js and npm version manager for windows.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 releases, 7 reviews, 348 commits in 4 years 6 months
Contributions summary:Marcel contributed to the natural node.js and npm version manager for windows. The contributions include adding help messages, making minor fixes, using streams for file operations, and fixing asynchronous behavior. The user also added the license information and environment variable for the project. Further contributions involved the implementation of commands for installing, running, fetching and removing node versions.
nodejsnpm-versionjavascriptversion-controlversion-manager
nextcloud/bookmarks
Dec 2016 - Dec 2022
🔖 Bookmark app for Nextcloud
Role in this project:Front-end Developer
Front-end DeveloperContributions:145 releases, 51 reviews, 1898 commits in 6 years
Contributions summary:Marcel primarily focused on the front-end development of the Nextcloud Bookmarks app. Their contributions involved adding internationalization strings to translate the UI elements, refactoring code to remove jQuery dependencies, and adding and adjusting Vue.js components such as those for settings and the bookmarklet. They also implemented fixes for the display of the bookmark titles, descriptions, and visual elements like folder icons.
nextcloudbookmarksbookmarknextcloud-bookmarksbookmarks-manager
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.