I've read that Steve Jobs is a pescetarian, which in general is much healthier than being a vegan (it is much easier to get essential nutrients such as B vitamins with fish). Here's one source: http://www.experiencefestival.com/a/Steve_Jobs_-_Personal_li...

In the fourth paragraph: "Jobs is a pescetarian (not a vegetarian or vegan as is often claimed) — although he does not eat mammalian meat, he reportedly eats fish from time to time."