أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Would you recommend to employ or employ him to your team as a new member?
I think that is totally unprofessional and person who chews a gum during an interwiev shows no respect to recruiting manager. I would definetly not hire such candidate.
Either he is not serious about the job or too tensed and chews a gum, he will not be considered for next rounds.