Johannes Krohn
Principal Technical Marketing Engineer at Cisco
Frankfurt Rhine-Main Metropolitan Area Germany
Summary
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Senior🎓
Top SchoolJohannes Krohn is a Principal Technical Marketing Engineer based in the Frankfurt Rhine-Main area with over two decades of experience at Cisco, including 11 years focused on technical marketing and product architecture. He specializes in collaboration technologies, unified communications, SIP and global call routing architectures, SAML-based SSO, and mobility, bringing deep expertise in both routing/switching and legacy ATM network design. Johannes blends hands-on systems engineering with customer-facing product strategy, having moved from field roles to global technical marketing leadership. He is known for translating complex telecom and security requirements into practical deployment guidance and scalable architectures. With a Master’s in Computer Science from KIT, he pairs strong academic foundations with extensive real-world experience across large-scale enterprise networks. A less obvious strength is his long tenure inside a single global vendor, which gives him rare institutional knowledge of product evolution and interoperable collaboration ecosystems.
11 years of coding experience
20 years of employment as a software developer
Master’s Degree, Computer Science, Master’s Degree, Computer Science at Karlsruhe Institute of Technology (KIT)
Github Skills (12)
stdout7
gpx5
thread5
tracks5
gps4
garmin4
python4
xml3
exchange3
file-format3
parser3
realtime3
Programming languages (1)
Github contributions (5)
jeokrohn/ucmmigration
Jan 2021 - Jun 2022
Contributions:19 commits, 25 pushes, 1 branch in 1 year 5 months
jeokrohn/migrationapi
Jan 2021 - Oct 2022
Contributions:19 commits, 16 pushes in 1 year 8 months
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