The failed pub baron has been trying to keep the details of his $1.8 billion financial collapse secret. But a chatty former accountant is making that difficult.

Alexander Andruska, his CFO, accuses bankrupt Jon Adgemis of using his companies to fund his exorbitant lifestyle.

A long-time accountant to colourful Sydney pub baron Jon Adgemis has accused his former boss of using company funds to finance his lavish lifestyle.