MIAMI—Few people understand the pressure of making a split-second decision in front of billions of viewers better than Pierluigi Collina.
Widely regarded as the greatest football referee of all time, the former Italian official spent more than two decades making calls that could decide World Cup matches, Champions League finals and the careers of players and coaches. Today, as chairman of FIFA's Referees Committee, he is helping shape the next generation of officials through technology that simply did not exist when he was on the field.
