Geschäftsführender Gesellschafter / Cto
Currentwerk21 ist eine Online-Agentur für Politik, Verwaltung, Verbände und NGO.
Dec 2000 - Present
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Jan Kellermann Email & Phone Number
CTO bei werk21 GmbH | Arbeitet in Berlin und lebt in Flensburg
at
werk21 GmbH
LinkedIn matched
✓ Verified May 2026
2 data sources
Profile completeness 86%
Current company
Role
CTO bei werk21 GmbH | Arbeitet in Berlin und lebt in Flensburg
Location
Flensburg, Schleswig-Holstein, Germany
Who is Jan Kellermann? Overview
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Quick answer
Jan Kellermann is listed as CTO bei werk21 GmbH | Arbeitet in Berlin und lebt in Flensburg at werk21 GmbH, based in Flensburg, Schleswig-Holstein, Germany. AeroLeads shows a matched LinkedIn profile for Jan Kellermann.
Jan Kellermann previously worked as Geschäftsführender Gesellschafter / CTO at Werk21 Gmbh and Gesellschafter at Werk21 Kommunikation Gmbh.
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werk21 GmbH
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Profile bio
About Jan Kellermann
Open source solutions for NGOs, politics and governmentHead of Development (LAMP-Applications / CMS Drupal)Server Operation (Ubuntu)IT Grundschutz / IT Security / Information Security
Listed skills include Mysql, Php, Ubuntu, Server, and 14 others.
Current workplace
Jan Kellermann's current company
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5 roles · 30 years
Jan Kellermann work experience
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Gesellschafter
Currentwerk21 Kommunikation GmbH oder kurz w21k ist eine Agentur für politische Kommunikation und hat ihren Ursprung in der werk21 GmbH.
May 2017 - Present
Managing Partner
Current
Schulerio Marketing Kg
2009 - Present
~17 yrs 4 mos
Managing Partner
Current
Werkverlag Kg
2005 - Present
~21 yrs 4 mos
Software Developer
Aed Berlin
1996 - 2000
~4 yrs
FAQ
Frequently asked questions about Jan Kellermann
Quick answers generated from the profile data available on this page.
What company does Jan Kellermann work for?
Jan Kellermann works for werk21 GmbH.
What is Jan Kellermann's role at werk21 GmbH?
Jan Kellermann is listed as CTO bei werk21 GmbH | Arbeitet in Berlin und lebt in Flensburg at werk21 GmbH.
Where is Jan Kellermann based?
Jan Kellermann is based in Flensburg, Schleswig-Holstein, Germany while working with werk21 GmbH.
What companies has Jan Kellermann worked for?
Jan Kellermann has worked for Werk21 Gmbh, Werk21 Kommunikation Gmbh, Schulerio Marketing Kg, Werkverlag Kg, and Aed Berlin.
How can I contact Jan Kellermann?
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What skills is Jan Kellermann known for?
Jan Kellermann is listed with skills including Mysql, Php, Ubuntu, Server, Projektmanagement, Social Media, Web Entwicklung, and Drupal.
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