Fintech company TransferWise CEO talks why unicorns are waiting to go public

Kristo Käärmann, CEO and co-founder of TransferWise, the company that ranked number 23 on CNBC's Disruptor 50 list, joins "Squawk Box" to discuss how the company hit a $3.5 billion valuation.

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Tue, May 28 20198:03 AM EST