Stefanos Chelas@stephchelasElectrical and Computer EngineerFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencestephchelas has not updated employment details yet.EducationNational Technical University of AthensLinksLinkedinhttp://www.linkedin.com/in/stefanos-chelas-96691b2b0 Skillsstephchelas has not updated skills details yet.