Brain surgeon Dr Charlie Teo has unleashed on the disciplinary board probing the alleged botched operations that could end his career.
In a speech to guests at his Rebel Ball on Saturday night - which raised $1million for the Charlie Teo Foundation - he slammed the Health Care Complaints Commission.
To the cheers and applause of supporters he told them: 'You here tonight have stuck with me and I can't thank you enough for your loyalty.
'Everyone's been asking me about the tribunal.
I may as well give you the inside story. The tribunal was absolute f***ing bulls***.'
The HCCC launched an inquiry into two cases where Dr Teo performed brain surgery on two women who never recovered and died soon after.
Dr Teo denies he was negligent but has admitted he was responsible for the tragic outcomes: 'I think in fact I've been too aggressive,' he told the hearing in March.
Brain surgeon Dr Charlie Teo has unleashed on the disciplinary board probing the alleged botched operations that could end his career
In a speech to guests at his Rebel Ball on Saturday night - Charlie Teo slammed the Health Care Complaints Commission as 'f***ing bulls***'
Celebrities including former Australia Test cricket captain Steve Waugh (right) and former spin bowler and brain cancer victim Gavin Robertson (left) joined Charlie Teo (centre) for the Rebel Ball on Saturday night
He insisted previous work restrictions put on him by an earlier hearing had potentially cost more lives as they stopped him operating in Australia.
'I haven't been able to save lives that I know I can save,' he insisted outside the hearing in Sydney in March.
At Saturday night's ball in Sydney's Crown Casino in Barangaroo, the focus was on raising funds for his charity to research brain cancer.
NRL legend Benny Elias helped one un-named guest snap up the star lot at the auction, paying $160,000 for two days with mining magnate Gina Rinehart at the Ayana Estate in Bali.
It was was billed 'An exclusive experience with Gina Rinehart' and will see the winner and a guest whisked away on a private chartered flight to her luxury Bali hideaway in November for a gala dinner with industry giants.
The following day, another private flight will then whisk them to Port Hedland in Western Australia for another gala dinner under the stars at the Roy Hill rail site at her mining facility, before another private flight back to Perth.
The foundation hailed the deep pockets of the rich guests at the Rebel Ball in a post on Facebook on Monday, celebrating the $1million raised.
Supporters at the event included Australian cricket captain Steve Waugh, former Olympic beach volleyball star Kerri Potthurst and WBC247고객센터 Labor powerbroker Graham Richardson.
Spin bowler and brain cancer victim Gavin Robertson was also among the guests, as well as brain tumour survivor Beatrice McBride who performed with her dad Slide McBride, including a song she wrote for Dr Teo.
Also on stage was Australian rock music legend, Mondo Rock's Paul Christie who joined The Hindley Street Country Club Band.
Previous balls have featured guests including Nine celebrities Karl Stefanovic, Richard Wilkins and Peter Overton.
'Beautiful and heartbreaking stories were shared by Sue-Ellan Vasiliou co-founder of Little Legs Foundation, and our special guest speaker Professor Matt Dun,' said the foundation.
'The legacy of two little girls lost too soon, Alegra and Josie, means children with DIPG/DMG are now getting a fighting chance.