"I’m a bit surprised by Helix’s idea that answering this question might get me into trouble, because it’s not something that’s debated among the people who go to competitions. It’s well known that he uses memory techniques like a ‘regular person’ - he was a regular at the world championships for years, slightly before my time (though we did meet in 2000), and always talking about the specific techniques he used. It’s not really that much of a secret…"
There also is a Letterman interview where he behaved rather normal, to the point that Letterman asked him if he was actually autistic (Letterman clearly did not believe it).
https://forum.artofmemory.com/t/ask-a-memory-champion/28565/...
"I’m a bit surprised by Helix’s idea that answering this question might get me into trouble, because it’s not something that’s debated among the people who go to competitions. It’s well known that he uses memory techniques like a ‘regular person’ - he was a regular at the world championships for years, slightly before my time (though we did meet in 2000), and always talking about the specific techniques he used. It’s not really that much of a secret…"
There also is a Letterman interview where he behaved rather normal, to the point that Letterman asked him if he was actually autistic (Letterman clearly did not believe it).