HE WAS the brains behind some of Sydney's most popular and successful nightspots and eateries, a publican with a star well and truly on the rise.

But James Miller, one half of a duo credited with revolutionising Sydney's pub scene, was also being mourned on Monday as a devoted father, loyal friend, and charismatic character.

Found dead ... James Miller, right, pictured with Jaime Wirth. Credit:James Brickwood

Mr Miller, half of the Drink 'n' Dine company behind popular pubs including the Norfolk Hotel and the Carrington, was found dead on Sunday night. He was 38.

It is believed he died of an accidental overdose, and his death is not being treated as suspicious.