Aaron Klein

Aaron Kleinage 36

CEO, Riskalyze

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Even Aaron Klein is surprised by how fast advisers have taken to his company’s pride and joy: the Risk Number.

“Our company’s invention is transforming how advisers talk about the trade-off between risk and reward with their clients,” said Mr. Klein, chief executive of Riskalyze Inc.

The Risk Number gauges clients’ risk tolerance and applies it to their portfolios. Advisers are able to play with the concepts of emotional behavior when it comes to the markets and steer clients clear of any dangers related to their investments.

Mr. Klein, a California resident, is a go-getter — a trait very evident to East Coasters who see him replying to emails before 5 a.m. on the West Coast.

He tells his team they’re building a 100-year company, and they’ve got 96 more years to go.

“We have just begun to scratch the surface at putting the Risk Number at the core of the world’s investing decisions,” he said. That means there’s a lot more innovation to come.

Because of the fast-paced nature of his job, when Mr. Klein gets to unwind, he’s happy to do so with his family. Two of his three adopted children were born in Ethiopia. This connection has led him and his wife to participate in a school project in that country with 1,100 students, mainly orphans.

— Alessandra Malito

Fast Facts

  • Wanted to be a pitcher for the Los Angeles Dodgers growing up
  • First job was packing boxes in his dad’s warehouse
  • Guilty pleasure is putting his iPhone on "do not disturb"
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