There is an 'executive relations team.' Too many people recommend writing to jeff@ which is a mistake because the decision of that executive relations team is usually final. So if you make a mistake in your letter, misunderstand something, or they just don't decide in your favor it actually forecloses other opportunities you might have had to get a resolution.
I'm nobody and I get way too many solicitations as it is. I can't even imagine the volume received by the wealthiest man on Earth.