Kornelius Klemm
Head Of Sales & Expansion at Cosuno
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolKornelius Klemm is a growth-focused operator and Head of Sales & Expansion based in Berlin with six years of experience scaling early-stage startups and driving go-to-market strategy. He combines hands-on business development—building sales playbooks, CRM workflows and KPI systems—with a technical curiosity evidenced by contributions to the ruffle-rs Flash emulator in Rust. Having supported seed-funded AI ventures and worked across prop-tech, M&A advisory, logistics and the German Army, he brings a rare mix of commercial rigor, operational discipline and resilience. Fluent in German and English and comfortable in international markets (UK, Spain, Switzerland, Germany), he leverages cross-cultural experience to open new markets and partnerships. A Masters graduate from IE Business School, Kornelius is particularly interested in sustainability, AI and Food-/Prop-Tech, and often applies data-driven testing to refine ICPs and buyer journeys. Colleagues describe him as entrepreneurial, pragmatic and energized by founder-led missions that aim for lasting impact.
6 years of coding experience
2 years of employment as a software developer
Lyceum Alpinum ZuozBusiness Management and Finance Business Management Marketing and Related Support Services, Business Management and Finance Business Management Marketing and Related Support Services at University of DerbyMaster of Science - MSc Management, Master of Science - MSc Management at IE Business SchoolAdvanced Levels History Business and Economics Mathematics Art German, Advanced Levels History Business and Economics Mathematics Art German at Sutton Valence School
English, Spanish, French, German
Github Skills (12)
flash10
rust10
emulation10
blazor-webassembly9
webassembly9
typescripts8
typescript8
typescript-types8
back-end-development8
front-end-development8
backend8
api-design7
Programming languages (19)
Github contributions (5)
ruffle-rs/ruffle
Mar 2021 - Oct 2024
A Flash Player emulator written in Rust
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:71 reviews, 9 PRs, 123 comments in 3 years 6 months
Contributions summary:Kornelius contributed to the Ruffle project, a Flash Player emulator written in Rust. Their work primarily focused on implementing and improving various aspects of the web and desktop versions of the emulator, including URL handling, networking API restrictions, and volume controls. They also refactored existing code to improve maintainability and consistency. These efforts spanned across multiple modules, including core functionality, web interface, and desktop application features.
playeremulatorrustflashreimplementation
Korne127/ruffle
Mar 2023 - Aug 2024
Contributions:140 pushes, 14 branches in 1 year 4 months
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