Carroll played over 250 with the
Mosman Rugby Club and served as its president. He resigned in March 2013. Whilst at Yachting Australia, he moved the organisation from a federated to the centralised model. Carroll has had a strong association with
John O'Neill. He was deputy to O'Neill in his two stints at the Australian Rugby Union and at Football Federation Australia. In employing Carroll at the FFA in 2004, O'Neill said "Matt has shown a huge amount of competency and with his broad skills of running a successful major event (Rugby World Cup 2003) and establishing better relations between the governing body of the sport and the grassroots." In March 2017, he was appointed Chief Executive Officer of the Australian Olympic Committee. ==References==