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People · Asset Managers
Global Head of Research at Dimensional Fund Advisors
Global Head of Research · Dimensional Fund Advisors
Wei Dai — Global Head of Research · Dimensional Fund Advisors · United States.
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Profile updated Nov 2026 · Sourced from public professional profiles · Legitimate-interest B2B basis
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About
Wei Dai leads research globally at Dimensional Fund Advisors. Her team develops investment and strategy research for use in investor communications and portfolio solutions, working with academics and the firm’s investment teams. She joined Dimensional’s research department in 2014 and became Head of Investment Research in 2021. After more than six years based in Singapore, she returned to the United States in 2026. Dai holds a PhD in operations research and financial engineering from Princeton University and a BS in mathematics and applied mathematics from Zhejiang University.
Experience
Global Head of ResearchCurrent
Dimensional Fund Advisors · Austin, Texas, United States
Jan 2026 – Present