Spiros Kapetanakis

startup business model design thinking coworking open business model startup tools επιχειρηματικά μοντέλα customers interviews value proposition canvas bmc collaborative economy startup accelerator colab acceleration lab kede lab smart city kids workshop blockchain befinnovative fintech innovation open source entrepreneurship colab innovation enablers coopetitive open innovation networks airbnb peer2peer funding slidedeck mvp lean startup exploration hypothesis how to start bunsiness strategy tools business mode canvas Συνεργατική sharing economy peer2peer startup ideas validate assumptions Επιχειρηματικά μοντέλα risk managment share economy αλληλέγγυα οικονομία συνεργατική οικονομία lego cuusoo co creation validation assamptions startup hub co-working creativity