Ralf Rottmann

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My personal blog can be found at https://denken.io.

Official bio

Ralf Rottmann is a serial entrepreneur from Germany who sold his second company (grandcentrix) to Vodafone in November 2019 (press release). His first company got acquired by Alcatel-Lucent in 2008.

He continues to be a Managing Director at grandcentrix, Germany's leading Internet of Things Solution Provider, served on the IOTA Foundation Board of Directors and has been selected for the Digital Economy Advisory Council North Rhine-Westphalia constituted by Minister Prof. Dr. Andreas Pinkwart. As a Managing Partner at R13W, he invests into digital ideas with his long standing business partner, Martin Willnow. Ralf also does early-stage investments via Rottmann Ventures.

With more than two decades of building and growing successful companies, Ralf focuses on the Internet of Things and strategies for the connected economy.

Short bio (137 characters)

Founder of grandcentrix, Germany's leading Internet of Things SI. Former IOTA Foundation Board of Directors. R13W Partner. https://rottmann.net

Office address

Ralf Rottmann
Phoenixseestrasse 18
44263 Dortmund · Germany

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