(Bloomberg) — UBS Group AG doubled the number of quants working for Chief Investment Officer Mark Haefele in the past two years. He wants to hire even more.

Haefele recommends customers use investment strategies that apply techniques designed by quantitative analysts, such as complex data visualization, rather than rely on their instincts. One in 10 managers who advise clients now use such tools, said Haefele who oversees a team of more than 200.

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