grandcentrix.net 的前十大競爭對手

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rottmann.net

ralf rottmann is a serial entrepreneur from germany who sold his second company (grandcentrix) to vodafone in november 2019. his first company got acquired by alcatel-lucent in 2008. ralf retired in april 2021 and now lives in a small village near dortmund. ralf is an active business angel and does early-stage investments via rottmann ventures. he 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. with more than two decades of building and growing successful companies, ralf focuses on strategies for the connected economy. he is passionate about the internet, the social effects of new technology, net politics and digital culture.