# Sebastian

> Entrepreneur | Berlin, Germany

Building Things

## Profile Data
- [Profile](https://path.cv/rumberg): Full professional profile
- [facts.json](https://path.cv/rumberg/facts.json): Structured JSON with professional data
- [profile.md](https://path.cv/rumberg/profile.md): Markdown resume
- Last updated: August 2026

## Current
Founder at Punching Giants

## Experience
- Founder at Punching Giants (Jan 2019 – Present)
- Chairman Of The Board at Freie Waldorfschule Dessau (Feb 2018 – Present)
- Interim Communications Lead DACH at XAnge (Jun 2022 – Jul 2023)
- Interim PR & Communications Lead at Zenjob (Dec 2021 – Jul 2022)
- Marketing & PR at LivingPackets (Oct 2019 – Feb 2022)
- Mentor at Google (Jan 2017 – Jan 2020)
- Vice President Communications at KODAKOne (Jun 2018 – Oct 2018)
- Account Director at Ballou PR (Jul 2015 – Jun 2018)
- Head of PR at HitFox Group (Jan 2014 – Jan 2015)
- Co-Founder at Startup Germany e.V. (Jan 2013 – Jan 2015)

## Skills
Strategic Communications, Public Relations, Content Marketing, Social Media Marketing, Growth Hacking, Journalism, Ghostwriting, Team Leadership

## Education
- Bachelor of Arts in Kommunikation, Journalismus, Universität Leipzig
- Certificate in Science communication et science politique, Université Lumière Lyon 2

## Links
- [LinkedIn](https://www.linkedin.com/in/rumberg)