Productive Mobile raises a €3.4 million seed investment led by HV Holtzbrinck Ventures. In addition, Hans Georg Näder, bionics pioneer and owner of Ottobock, participated in the seed-round. Founded in 2014 by serial entrepreneurs Yann Le Gouic, from France, and Anthony Hsiao, from Germany, the Berlin-based startup wants to become a leader in the nascent field [...]