A CEO known publicly for the power of smiling was just ousted for intimidating employees

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<div>HealthTap has raised nearly $40 million over the years, including from Mohr Davidow Ventures, <b>Khosla Ventures</b>, Mayfield and Eric Schmidt's Innovation Endeavors. But it hasn't raised fresh funding in five years — a sign, oftentimes, that investors aren't prepared to throw more money at a company.</div>