Stefan Rentsch
Stellvertretender Geschäftsführer at VGG Handels AG
Greater Bern Area Switzerland
Summary
🤩
Rockstar🎓
Top SchoolStefan Rentsch is an experienced supply chain and operations leader with over 12 years of cross-industry experience, currently serving as Stellvertretender Geschäftsführer in the Greater Bern Area. He combines hands-on logistics, procurement and distribution leadership with formal training in Lean Management and Industry 4.0, driving end-to-end process improvements and pragmatic project execution. His background spans executive and board roles in trading, services and manufacturing, where he has consistently translated strategic goals into operational systems and team accountability. Outside his corporate roles he is a hobbyist free/libre software developer who contributes backend improvements to the Minetest open-source ecosystem, showing a practical curiosity for code and system integration. Fluent in business and technical domains, he is comfortable bridging stakeholder strategy and ground-level implementation. Colleagues describe him as a pragmatic problem-solver who applies engineering rigor to commercial and logistical challenges.
12 years of coding experience
Eidg. Dipl. Technischer Kaufmann, Eidg. Dipl. Technischer Kaufmann at Feusi Bildungszentrum, BernHandelsschule, Handelsschule at IFKSCAS Lean Management, CAS Lean Management for Industries, CAS Lean Management, CAS Lean Management for Industries at Hochschule für Wirtschaft Zürich HWZCAS Lean Management, Lean Management, CAS Lean Management, Lean Management at ZHAW Zürcher Hochschule für Angewandte WissenschaftenCourse intensive français, Course intensive français at Alpadia Language SchoolMaster of Science (MScBA), Business Administration and Management, General, Master of Science (MScBA), Business Administration and Management, General at Berner Fachhochschule BFH / University of Applied Sciences BernCertificate in Business English (Level 1, ESOL), Certificate in Business English (Level 1, ESOL) at University of CambridgeBachelor of Arts (BA), Business Administration and Management, General, Bachelor of Arts (BA), Business Administration and Management, General at PHW BernFirst Certificate in English (FCE), First Certificate in English (FCE) at Cambridge school of LondonCAS Industrie 4.0, Industrie 4.0, CAS Industrie 4.0, Industrie 4.0 at Fachhochschule Nordwestschweiz FHNW
English, French, Spanish, rätoromanisch, German
Github Skills (9)
lua10
game-development10
minetest10
apidoc9
api9
nodejs9
performance-optimization8
version-control7
git7
Programming languages (18)
Github contributions (5)
luanti-org/minetest_game
Apr 2014 - May 2022
Minetest Game - A lightweight and well-maintained base for Luanti, intended for modding
Role in this project:
Back-end Developer
Back-end DeveloperContributions:80 reviews, 53 commits, 137 PRs in 8 years 2 months
Contributions summary:Stefan primarily focused on modifying the game's core mechanics and node interactions within the Minetest game engine. They implemented features like bone collection and furnace protection, modifying existing node behavior. The user also updated code related to beds and boats to replace deprecated functions. Their work involved changes to Lua-based game logic and node definitions.
gameminetest-gameminetest
minetest-mods/technic
Dec 2013 - Jan 2023
Technic mod for Minetest
Role in this project:Back-end Developer
Back-end DeveloperContributions:56 reviews, 30 commits, 105 PRs in 9 years 2 months
Contributions summary:Stefan focused on enhancing the Minetest "technic" mod, particularly improving generator functionality and pipeworks integration. Their contributions involved adding pipeworks support to generators, fixing crashes related to pipeworks, and replacing deprecated inventory size calls. They also addressed luacheck warnings and optimized the mining drill functionality. Additionally, they refined the chainsaw tool with efficiency enhancements and drop handling improvements.
modtechnicminetest
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