$30,957,952 Sheryl Sandberg, COO 0.089% Sheryl Sandberg
The second most important person at Facebook takes most of their compensation in cash - with her stock in the company being worth roughly 3 yrs salary.
She's older than Zuck, no reason to think she'll ever be CEO. I have to believe she has career aspirations beyond Facebook if she's willing to work there for less than defectors Moskovitz and Parker are making on the IPO, among others.
I suppose that perhaps there's an appearance of questionability when one gets cash out, but even if they don't "cash out" in any other sense, I'd think that at least that first bit of big money would be hard to turn away from.
Clearly the move by Groupon was a mistake. Ok, you want to build a big company and have a vision, etc, etc... Great. Who cares? That kind of money doesn't come along very often — take it and move on to your NEXT great idea. You'll have another one. Millions in the bank and vacations on yachts and private islands do wonders for the imagination.
Of course, I thought Zuck was crazy for turning down $1 billion from Yahoo 5 years ago. He turned out to be right on that one.