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Gunnar Sprengel (Founder)


Gunnar is German, loves Barvelona and lives here since 2006 and was responsible for the expansion of Cooltra Motors which he co-founded. Cooltra Motors started with 20 scooters for rental and counts now a fleet of more than 2.500 rental scooters all over Spain. Later he launched the flagship store for Wokimarket (a chain of wok restaurants and organic supermarkets in Barcelona). He has launched the first Bubble Tea chain in Spain. Besides, Gunnar is advisor of different companies of the gastronomy sector.

Maria Rubies (Founder)


Maria is from Barcelona, but also worked for half a year both in Vancouver and in Berlin for half a year. She is partner of the PR agency LemonGrass Communication. Pior to this she was during 5 years responsable for marketing and communication for the Spanish branch of a German - and one of the Europe's biggest - online dating companies.

Holger Sprengel (Advisor)


Holger is a serial entrepreneur who founded his first company in 2000 which he sold to a German media holding. He is founding partner of Grupo HS3 S.L. (www.hs3.biz) as well as H2A Ventures (www.h2aventures.com). Holger had already in previous years thought about realizing a crowd funding project for several years and believes that launching a vertical is a good approach for futrher evaluation of crowd funding dynamics.