The boss of one of Australia's largest nursing home chains told a 94-year-old resident she had to leave if she continued "intimidating" the facility manager.

Key points: Gary Barnier met with resident Marie McLean over her "inappropriate behaviour"

Gary Barnier met with resident Marie McLean over her "inappropriate behaviour" Woman's daughter says her mum was left "totally shattered"

Woman's daughter says her mum was left "totally shattered" Mr Barnier is on two Federal Government aged care committees

Marie McLean had been at the Opal nursing home in Coffs Harbour — which is half owned by AMP — for six years when the managing director, Gary Barnier, visited her.

"He said, 'I've come to inform you that you've breached the Aged Care Act'," her daughter Kaye Campbell told 7.30.

"'We're asking you to leave the facility because we have documented evidence that you have intimidated the manager of the facility'.

"I said, 'You've got to be joking'. He said, 'No, I'm not joking, we have sought legal advice from our solicitors'.

"It scared my mum and he scared me too.

"I wasn't sure then what our legal avenues were. Was he able to just walk into the room and speak to us in that manner?"

Opal confirmed Mr Barnier met with Ms McLean and her daughter to "indicate unless their inappropriate behaviour towards the facility manager ceased, they would be asked to leave".

Opal said it had records which showed Ms McLean was "actively denigrating staff" and "had commenced an informal campaign to have the facility manager removed from her role".

Opal said it had a responsibility to ensure their homes are safe for staff.

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'She just looked numb'

Kaye Campbell (r) says she will never get over what happened to her mother Marie McLean (l). ( Supplied: Kaye Campbell )

Ms Campbell told Mr Barnier it was her mother who had been feeling intimidated by management.

Ms Campbell took the opportunity to complain about the lack of staff, especially at night, at the facility.

"His response was, 'we don't have any issues with staffing because we are owned by AMP and we have plenty of money','" she said.

AMP owns almost 50 per cent of Opal. The other half is owned by Singaporean company GK Goh.

There are no mandatory staff-to-resident ratios in nursing homes in Australia. Opal confirmed it typically has a ratio of one staff member for 20 residents at night, which "is in line with industry standards".

Mr Barnier ended the meeting telling Ms McLean she could stay as long as she didn't say anything derogatory about the manager.

"She just looked numb, like she didn't know what had happened," Ms Campbell said.

Ms Campbell said the meeting had a long-term effect on her mother, who changed from a socially active 94-year-old to someone who stayed in her room and needed counselling for anxiety.

"She was frightened because at that meeting they told mum, 'You are not to say anything about what happened in this room today to anyone'," she said.

"I don't know what he thought a 94-year-old was going to do to his company."

Opal boss previously accused of bullying

Ms Campbell's account comes after 7.30 broadcast the stories of two other Victorian families who said they had been bullied by Mr Barnier.

In one case Mr Barnier offered $10,000 to a man whose mother had died in Opal's Lakeview home. The Opal boss said the money was offered because the son was so distressed.

Since the story aired, the Opal board has commissioned an independent review "into clinical leadership, customer service and complaints management".

When 7.30 contacted AMP a spokesperson pointed to the review and said "we await the findings with interest and have been assured the conclusions will be made public".

Gary Barnier is on two key government committees on aged care ( Source: Opal Aged Care )

However, Opal confirmed none of those interviewed by 7.30 will be part of the review.

7.30 also contacted Aged Care Minister Ken Wyatt to ask whether he would investigate the incidents involving Mr Barnier.

Opal's CEO is on two key government committees which advise on policy — the Aged Care Sector Committee and Aged Care Financing Authority.

The Minister said he retained "confidence" in Mr Barnier.

However, Labor's aged care spokesperson, Julie Collins, said "these are serious allegations that demand an investigation".

Ms McLean died last year.

Ms Campbell says her overriding memory of her mother now is the encounter with Mr Barnier.

"What I see when I close my eyes is my mum sitting in that chair totally shattered," she said.

"I will never get over it."