PIERS Morgan has slammed a "gay conversion therapist" who came out as gay accusing him of making money from a "sham".

David Matheson, the creator of "ex-gay" gender programs, appeared on Good Morning Britain today to discuss coming out after running a gender conversion therapy business and was quizzed about how he made his money.

6 David Matheon's gay conversion therapy was called a 'sham' by Piers Morgan this morning

6 The Good Morning Britain hosts quizzed Matheson about him recently coming out as gay

The Mormon therapist from Utah, USA, came out as gay last month at the age of 57 and has apologised for his religion's homophobia.

But when he appeared on GMB to be interviewed about the revelation, Piers unsurprisingly gave him a hard time.

Calling Matheson's entire business model a "sham", Susanna Reid's co host asked how much money he had made trying to "convert" people.

The therapist responded: "That's funny because a lot of people say 'he's made his millions and now he's coming out' but the fact is there's not a lot of money in this.

"No, I didn't make a lot of money. And that was certainly not the motivation. I couldn't even tell you how much. I don't know how much I earned per year."

That is the purest definition of a sham Piers Morgan

Matheson recently ended his marriage of 33 years and his wife no longer speaks to him, Piers pointed out in the interview, calling his whole life a "sham".

He claims to have been bisexual and chose to live a "straight" life with a marriage and kids, but wrote in a Facebook post on January 21 he "realized that being in an intimate relationship with a man was no longer something I wanted to avoid", saying it had become "a non-negotiable need".

Fifteen US states have banned mental health professionals practising conversion therapy on minors after finding the programs could do "serious harms".

He admitted in the interview gay conversion therapy doesn't work and people cannot become straight.

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But while Susanna focused on the negative impact Matheson's therapy could have had on the lives of gay men, Piers was quick to highlight the financial side of things and said "the stuff you were telling them was a load of old baloney".

He said: "Your business is to try and convert people from being gay and you now admit that they can’t be converted. The guy leading the business and trying to convert gay people has now admitted you can’t be converted. That is the purest definition of a sham."

Matheson responded by saying "Human sexuality for some is fluid," adding "some people did experience shifts in their sexuality over time. So what I was doing in my work was helping people who were able to make that kind of shift.”

6 The interview turned into Piers questioning the therapist's business model

6 David Matheson is looking for a boyfriend after years spent running 'gender wholeness' courses Credit: Facebook/David Matheson

6 Mormon David Matheson came out in a Facebook post explaining the breakdown of his marriage Credit: Facebook/David Matheson

6 The 'conversion therapist' apologised for his 'homophobic' work Credit: Facebook/David Matheson

​Piers Morgan reveals he was chatted up by a 'young gay Idris Elba' lookalike on a night out with ​Susanna ​Reid

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