contact@challengeacademy.ro+40727441656 Splaiul Unirii 160, Industria Bumbacului, Sector 4, Bucuresti Facebook Linkedin Instagram Follow @ challengeacademy.ro contact@challengeacademy.ro+40727441656Splaiul Unirii 160, Industria Bumbacului, Sector 4, Bucuresti Facebook Linkedin Instagram Follow @ challengeacademy.ro