Biography

Guillermo Ruiz-Rico is a Quantitative Analyst on the Applied Integrated Quant (Applied IQ) Team at Loomis, Sayles & Company. In this role, he is responsible for developing, maintaining and managing proprietary statistical models and software tools to support the investment process, with a primary focus on the firm’s equity strategies. Guillermo joined Loomis Sayles in 2022 and has 11 years of investment industry experience. Previously, he was a product manager for the alpha factor library and a quantitative specialist for investment management workflows at S&P Global Market Intelligence. Prior to this, Guillermo was a senior consultant for financial institutions throughout the US, focusing on model risk management, model development, technology, internal audit and operations. He earned a BA in European Management from the EM Strasbourg Business School, a BS and MS in Business and Economics from University of Alicante and an MS in Software Development from Boston University. Guillermo is a CFAĀ® charterholder.

CFAĀ® and Chartered Financial AnalystĀ® are registered trademarks owned by the CFA Institute.

Latest Insights by Gulliermo Ruiz-Rico, CFA

Alpha Engine Perspectives Intuition Enriched by Data: Meet the Applied IQ Team
July 23, 2025 • 2 min read

Intuition Enriched by Data: Meet the Applied IQ Team

An integral part of investment strategy, the Loomis Sayles Applied IQ Team blends expertise with practical application. The team works collaboratively across[…]
Applied IQ

About the Applied IQ Team

Investors on the Applied IQ team

Bernardo Aumond, PhD
Co-Director of Applied Integrated Quant
Bobby Bakshi, CFA
Co-Director of Applied Integrated Quant
Michael Crowell
Chief Investment Research Officer
Guohua Xia, PhD, CFA, FRM
Quantitative Analyst
Megan Wan, CFA
Quantitative Analyst
Dennis Kadourov, CFA
Quantitative Analyst
Andrew Hon
Quantitative Analyst
Ali Faghih, PhD
Quantitative Analyst
Arpit Jain
Quantitative Associate