Hacker @o_obrienFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceo_obrien has not updated employment details yet.EducationUniversity of Texas at Austin, AustinLinkso_obrien has not updated links details yet. Skillso_obrien has not updated skills details yet.