There are quite a few people. All people I have seen face to face.

Unfortunately I'm still quite bad at switching on real trust that you need to do things like that mentally without implanting chips. However the farthest I went in that direction was a hypnosis episode where I allowed someone to switch off my ability to pee accidentally for a short while.

*Just to be clear: I"m not claiming that you can eliminate akrasia completely through hypnosis.