This, to me, doesn't qualify as work. Large company executives create no value. They only take and store value from those who actually perform real work.
a common usage definition of work being used here is in terms of creating "use value". the ceo's activities do not. they do generate profit for ownership though. which is not the same thing as "use value" and serves a different purpose in society.
this is basic analysis, not a judgment.
This is how CEOs often manage to "do so much". All kinds of charity involvement, "advisor" work on other businesses, sit on boards, et c, then blog about how they still find time for their family and/or staying fit despite being so "busy". It's not because they're super-humans working 100 hours a week with perfect time-management discipline, but because a lot of them don't really do jack-shit for any of their "jobs".