This is my go-to article on the subject. I can probably dig up some more things later, if you're interested. (I'm about to go to bed.) Mostly it's more worked-around than overcome, but there are resources out there on how to work around it, and I'll make a point of trying to find some of them if you want.

Executive dysfunction is part of ADD, too, so I wouldn't be surprised to hear of it being an element of that. My understanding of OCD is that the mechanism behind the issue isn't the same, but I could easily be wrong; I haven't done as much research on OCD.