GSGreg Smirnoff@gregsm1988PolandFollowAboutEducation-BadgesProblem SolvingJavaVerified SkillsCertificate: Problem Solving (Basic)VerifiedCertificate: Problem Solving (Intermediate)VerifiedCertificate: Problem Solving (Advanced)VerifiedWork Experiencegregsm1988 has not updated employment details yet.Education-