Christian Beiwinkel
Vertriebsleiter Healthcare Germany at NTT DATA, Inc.
Verl, North Rhine-Westphalia, Germany
Summary
🤩
Rockstar🎓
Top SchoolChristian Beiwinkel is a healthcare sales leader with six years of focused experience in strategic account and segment leadership across major vendors, now serving as Vertriebsleiter Healthcare Germany at NTT DATA. He combines clinic-focused solution selling with a background in economics from Paderborn University, shaping commercial strategies that align clinical needs and IT delivery. Prior roles at Conscia, Avaya, and Bechtle reflect a steady progression from account management to regional and segment leadership, with hands-on responsibility for complex healthcare customers. Unusually for a commercial leader, he contributes to open-source geospatial projects—working on Valhalla routing engine improvements and elevation-data tooling—bringing a technical, systems-minded perspective to sales problems. Based in Verl, Germany, he positions himself as a strategic partner to hospitals, able to translate technical integration details into measurable operational value.
6 years of coding experience
11 years of employment as a software developer
Diploma, Economics, Diploma, Economics at Paderborn University
Github Skills (11)
openstreetmap10
url-routing10
routing-slip10
c-language10
routes10
cprogramming-language10
python10
testing10
dijkstra9
astar9
lua8
Programming languages (9)
Github contributions (5)
valhalla/valhalla
Nov 2021 - Jan 2023
Open Source Routing Engine for OpenStreetMap
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:232 reviews, 3 commits, 128 PRs in 1 year 2 months
Contributions summary:Christian made significant contributions to improve the elevation tile downloading process within the Valhalla routing engine, rewriting the relevant script in Python and adding support for Shapely. They incorporated locking mechanisms for directory creation and implemented tests using a testing framework. The user further contributed by parsing a "lit" tag related to road lighting, implementing code changes to support this in C++, Lua and Proto files. Also, they have implemented a new costing option for pedestrian costing to use unlit edges, and made various fixes.
osrmmulti-modalnominatimtileddijkstra
chrstnbwnkl/zack-carto
Aug 2022 - Dec 2022
quick & easy geodata for graphic design
Contributions:54 commits, 38 PRs, 72 pushes in 4 months
geodatagraphic-designcssdesignsak
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