Argentinian referee N&eacute;stor Fabi&aacute;n Pitana will officiate the Rio 2016 semifinal tie between Nigeria and Germany at Arena Corinthians, S&atilde;o Paulo on Wednesday, August 17. <br /><br />Fifa has also appointed Hern&aacute;n Maidana and Juan Pablo Belatti as the assistant referees, while the fourth official is Antonio Mateu Lahoz, who is a Spaniard.<br /><br />Born in Corpus, Misiones, Argentina, Pitana was assigned to officiate four matches at the 2014 Fifa World Cup.<br /><br />The 41-year-old is known to hand out cards during matches, with 1,451 yellow cards and 94 red cards issued in 299 games.<br /><br />He speaks Spanish and is a Gymnastics teacher.<br /><br />Ifeanyi Emmanuel <br /><br />Photo Credit : Twitter.com<br />