John Guo in

John Guo

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Director of Engineering at The Voleon Group
📍 New York, New York, United States

John is a Director of Engineering at The Voleon Group, specializing in machine learning-focused financial technology. His career highlights include leading Metas largest ad serving system and managing portfolio risk analytics at Bloomberg. Johns background is a unique blend of high-scale engineering and finance, backed by an MBA and a former CFA charter.

He once led the Ads Core Serving Infrastructure at Meta, the largest and most mission-critical distributed service within the company, serving billions of ads daily.

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Experience
21 Years
Current Role
Director of Engineering
Job Level
Mid-senior
Location
New York, New York, United States
Personality Overview

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Decision Approach
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Priorities

Topics John cares about

ML in Finance
He is a Director of Engineering at The Voleon Group, a machine learning-focused hedge fund, blending his expertise in tech and finance.
Large-Scale Infrastructure
He has a consistent track record of managing massive, mission-critical distributed systems at companies like Meta and Ro.
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Career

Work history

3-2026
Director of Engineering
The Voleon Group
5-2025 - 3-2026
Senior Engineering Leadership
Ro
8-2023 - 5-2025
Director of Engineering
Meta
11-2020 - 8-2023
Senior Engineering Manager
Meta
6-2012 - 11-2020
Senior Engineering Manager of Portfolio Risk Analytics, Performance & Attribution and Construction
Bloomberg LP
In the press

Media appearances

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Education
1999 - 2002
Master of Science (MS)
NYU Polytechnic School of Engineering
1994 - 1997
MBA
Baruch College
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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