John Johannes Jähnke
====================

Startup Strategist & Marketing Consultant

Startup Strategist & Online Marketing Consultant @ McGrinsey.com

Verified profile: yes
Member since: 2017-02-01
Followers: 1
Following: 8
Gender: Male

TAGS
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* Magic (2 endorsements)
* Startup Strategy (2 endorsements)
* Visionaire (2 endorsements)

EXPERIENCE
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* Startup Strategist & Online Marketing Consultant @ McGrinsey.com (2000-01 –
  today)

LINKS
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* McGrinsey.com: http://mcgrinsey.com

CONTACT
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* Other: multitaskforce@gmail.com

SOCIAL MEDIA
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* LinkedIn: https://www.linkedin.com/in/johnjohnjohn

ADDRESSES
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* Berlin Base: Prinzenstraße 42, 10969, Berlin, Germany

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