Can I train more than one person with the same username? No. The certification process keeps track of your progress in order to certify a single user. jrlogin2017-01-20T08:31:10+00:00 Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditGoogle+TumblrPinterestVkEmail Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment.