John Johannes Jähnke

Startup Strategist & Marketing Consultant

multitaskforce@gmail.com · https://vutuv.de/john_johannes_j

Prinzenstraße 42, 10969 Berlin, Germany

Gender: Male

Professional Experience

Startup Strategist & Online Marketing Consultant, McGrinsey.com1/2000 - Present

Tags

Magic · Startup Strategy · Visionaire

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