0159f988-cfd0-7c94-855f-9b2a95e1a3ef McGrinsey.com http://mcgrinsey.com John Johannes Jähnke profile Startup Strategist & Online Marketing Consultant @ McGrinsey.com https://vutuv.de/johannes.jaehnke true https://vutuv.de/johannes.jaehnke.json https://vutuv.de/johannes.jaehnke.txt https://vutuv.de/johannes.jaehnke.md https://vutuv.de/johannes.jaehnke.xml https://vutuv.de/johannes.jaehnke.vcf 0159f98a-71c8-7e3b-bd26-a36fdd30ae6d Berlin Base Berlin Germany Prinzenstraße 42 10969 0159f987-0e98-7fdf-b872-025de17b58da Magic https://vutuv.de/tags/magic magic 2 0159f979-56e0-7eee-960d-5030041143d7 Startup Strategy https://vutuv.de/tags/startup_strategy startup_strategy 2 0159f99c-4060-7ac7-82a3-afcac2b52bd5 Visionaire https://vutuv.de/tags/visionaire visionaire 2 0159f976-5558-7753-86cd-05cc16ba0cbc Other multitaskforce@gmail.com johannes.jaehnke John Johannes Jähnke male 0159f994-e1a8-7009-af67-f4d3083bc5bd 2000-01 McGrinsey.com 2026-06-18T16:30:44Z 2 Startup Strategist & Online Marketing Consultant @ McGrinsey.com https://vutuv.de/avatars/0159f976-5558-798a-b7e6-d88ccd7b9cdf/avatar_medium.avif?v=116790604 0 8 1 0 2017-02-01 Startup Strategist & Marketing Consultant 0159f989-9320-743f-a026-70ffda8adaf8 https://www.linkedin.com/in/johnjohnjohn LinkedIn McGrinsey.com