Startup Founders to Watch in 2014

Courtesy Zulily
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Darrell Cavens | Zuilily

Why he’s important: Valued at $5.04 billion, Cavens’ Seattle-based startup soared 88 percent in its initial public offering last month. It’s also nearly tripled its workforce to 950 employees in the past two years.

Watch for: The four-year-old company breaking new ground in retail, proving flash sales can work. It’s profitable, though it could stand to earn a lot more.