# Wenyi Cai

> Wenyi Cai is the founder, managing partner and CEO of Polymath Ventures, which builds and invests in companies serving Latin America’s emerging middle class. Previously COO of Milo.com, acquired by eBay in 2010, she worked in consulting, quantitative finance and applied physics research before founding Polymath in 2012.

- **Role:** Founder, Managing Partner & CEO at Polymath Ventures
- **Organizations:** Polymath Ventures, Milo.com, McKinsey & Company, BAI Capital
- **Education:** Undergraduate degree; studied philosophy and physics; graduated cum laude, Harvard College, Graduate studies; left to start Polymath, without completing the program, Harvard Kennedy School
- **Known for:** Built Polymath Ventures into a venture studio and investment platform operating across Latin American markets., Oversaw product and engineering and led major technology partnerships as COO of Milo.com before its eBay acquisition., Graduated cum laude from Harvard College.

## Career timeline

- **Before 2010** — Published applied physics research, helped build a quantitative trading hedge fund, and consulted with McKinsey across the Middle East, Africa and South Asia.
- **2010** — Served as COO of Milo.com, acquired by eBay on December 2.
- **2012** — Founded Polymath Ventures; the first ideation project took place in Medellín in June.
- **2014** — Polymath launched Aflore, Autolab and VincuVentas.
- **2017** — Polymath expanded into Mexico.
- **2018** — Polymath launched Elenas.
- **2023** — Polymath announced a dedicated seed fund and made its first direct investment in Pacto.
- **2025** — Listed in the FII Priority Miami program as founder and CEO of Polymath and venture partner at BAI Capital.

## Achievements

- Built Polymath Ventures into a venture studio and investment platform operating across Latin American markets.
- Oversaw product and engineering and led major technology partnerships as COO of Milo.com before its eBay acquisition.
- Graduated cum laude from Harvard College.
- Published research in applied physics.

## Latest updates

- **2025-02** — The FII Priority Miami program listed Cai for a February 20 panel on financing models and innovation in emerging markets, identifying her as a BAI Capital venture partner alongside her Polymath role.
- **2023-08** — Discussed supporting existing portfolio companies through a funding slowdown and raising a seed fund for studio ventures and external investments.
- **2023-03** — Co-authored an analysis comparing digital payments development in China and Latin America.

## Links

- Website: https://www.polymathv.com/
- LinkedIn: https://www.linkedin.com/in/wenyi-cai-5a99876/
- Twitter/X: https://twitter.com/wenyi_cai

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Profile page: https://yespress.io/wenyi-cai
Published by YesPress — https://yespress.io
Last updated: 2026-10-09