Early life & move to Australia

Cahn was born in London, England to an Australian mother, and grew up supporting Chelsea FC in the Premier League. As a teenager he played in the academies for Crystal Palace, and Fulham. It was whilst at Fulham, his hopes of becoming a professional footballer were cut short when he was told by the club he would never make it professionally.^[1] When he was 21, Cahn travelled to Australia and started coaching in some football academies in the Sunshine Coast.

In 2015 he joined the Central Coast Mariners, becoming an integral part of their successful academy side, overseeing the development and rise of future A-League players Trent Buhagiar, Steve Whyte, Lachlan Wales and Adam Pearce.^[2] He was also briefly assistant to both Paul Okon and Tony Walmsley throughout their stints as A-League men managers. In 2017 he departed the Mariners and was signed as the head coach of Olympic FC in the NPL Queensland competition.

At the helnm of Olympic FC Cahn's team reached the grand final of the competition 5 times consecutively, however lost all 5 grand finals.^[1]

In February 2023, Cahn took a further step in his managerial career, taking on the managerial role at Melbourne Knights.

Brisbane Roar

On 1 January 2024, Cahn was announced as the manager for Brisbane Roar FC, after interim coach Lucas Trani was sacked after one game following an 8–1 loss to Melbourne City.^[3] The appointment marks Cahn's first role as manager of a professional football club, along with his appointment being the 5th manager Brisbane Roar have signed in under a year since Warren Moon was sacked in February 2023.^[4]