Billionaire Jenny Just says she could have saved ‘10 years of losses’ if she had learned this skill sooner from playing poker

If you bet money on last night’s Super Bowl, one self-made billionaire said there might be a lesson there. Jenny Just, cofounder of financial services firm PEAK6 Investments, is a believer that gambling (specifically at the poker table) is a crash course in making high-stakes decisions with incomplete information—a skill that she said could have sped up her success.

“I think I could have saved 10 years of losses off my career if I had learned poker sooner,” Just recently told CNBC.

“The more I get reps in...