Jon Favreau (not the "Swingers" dude) heads the small team:
Favreau and Obama rapidly found a relatively direct way to work with one another. "What I do is to sit with him for half an hour," Favreau explains. "He talks and I type everything he says. I reshape it, I write. He writes, he reshapes it. That’s how we get a finished product."
The Dish 