John Guo

Questioner
DISC Type : c

Director of Engineering at The Voleon Group

New York, New York, United States

Overview

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.

Personality Overview

Not Easily Convinced

Value Seeker

Systematic

They prefer to do thorough analysis of any situation.  They are more likely than others to negotiate on pricing and terms. They generally do not appreciate an overfriendly approach and prefer to stay to-the-point.

Topics They Care 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.
Financial Risk Analytics
Based on his leadership of the Portfolio Risk Analytics team at Bloomberg and his previous Chartered Financial Analyst (CFA) certification.

Media Appearances

John has no verified media appearances

Work History

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

Education

1999 - 2002
Master of Science (MS) from NYU Polytechnic School of Engineering
1994 - 1997
MBA from Baruch College

More Information

Social Presence :

Prographics :

Exp : 21 Location : New York, New York, United States Job Level : Mid-senior Designation : Director of Engineering at The Voleon Group
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Insights For Selling To John

During A Call Or A Meeting

DO's

  • If you have a lower priced product compared to the competition, call out the same
  • Back up any claims with data and numbers
  • Emphasize on objective proof of ROI, help them do a thorough evaluation

DONT's

  • Avoid phrases like ‘do not worry about’, ‘no one compares to’ etc.
  • Don’t depend too much on anecdotal evidence, it reduces their confidence
  • Avoid rushing them, be polite and patient

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with John is

  • Confidence that the product provides ROI, effective pricing and process adherence matter the most to them.

  • Will you ever get a clear answer from John

  • It doesn’t come naturally to them but they can say no if they are not convinced.

Insights For Deal Planning

    How fast (or slow) will John move?

  • They can move at a reasonable pace while making their decisions if they have the necessary information.

  • Can John take some risk or not?

  • They can take some risk if they are confident that they have analyzed the circumstances well.


You And John

Personality Compatibility


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