John Hack: Email & Phone Number

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Managing Director, COO of Global Technology at Apollo Global Management, Inc.|New York, New York, United States

Position:

Managing Director, COO of Global Technology at Apollo Global Management, Inc.

Location:

New York, New York, United States

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Last updated: 2026-07-21

Updated: 2026-07-21

Found email addresses for John Hack:

Business emails:

j*******k@arcesium.com,

j*******k@citadel.com

Personal emails:

j******k@gmail.com,

a********2@hotmail.com,

d********s@aol.com

Found phones for John Hack:

+1-323-***-**10,

+1-909-***-**08,

+1-480-***-**37,

+1-323-***-**97

A different John Hack?

Work Experience 25 years

Managing Director, COO of Global Technology at Apollo Global Management, Inc.

Oct 2023 - Current

Garden Leave at Citadel

May 2023 - Oct 2023

Managing Director, COO of Electronic Trading Engineering at Citadel

Dec 2020 - Apr 2023

Managing Director, Technology at Arcesium

Jul 2015 - Nov 2020

Senior Vice President at The D. E. Shaw Group

May 2008 - Jun 2015

Project Manager at Accenture

Jul 2006 - Apr 2008

Sr Consultant at Random Walk Computing, Inc. (Acquired by Accenture in Jul 2006)

Mar 2003 - Jul 2006

Programmer at AIG

Sep 2001 - Feb 2003

John Hack started working in 2001, then the employee has changed 6 companies and 7 jobs. On average, John Hack works for one company for 3 years 1 month.

John is proficient in English.

Education

BSE at Duke University

Frequently Asked Questions

What is John Hack's email address?

SignalHire found verified email addresses for John Hack, both business and personal. Their business email is j*******k@arcesium.com, and personal emails include j******k@gmail.com, a********2@hotmail.com, and d********s@aol.com.

What is John Hack's phone number?

SignalHire found multiple verified phone numbers for John Hack: +1-323-***-**10, +1-909-***-**08, and +1-480-***-**37.

How do I contact John Hack at Apollo Global Management, Inc.?

You can reach John Hack through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John Hack's professional background?

John Hack has 25 years of professional experience. They have held roles including Garden Leave, Managing Director, COO of Electronic Trading Engineering, and Managing Director, Technology at companies such as Citadel, Citadel, and Arcesium. Their education includes BSE from Duke University.

Is John Hack's contact information up to date?

Yes. John Hack's SignalHire profile was last updated on 21 July 2026, reflecting their current position as Managing Director, COO of Global Technology at Apollo Global Management, Inc. in New York, New York, United States.

John Hack Namesakes

Name

Company

Position

John Hack

O-Netrix Solutions Inc.

President

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John Hack

Marathon Petroleum Corporation

Director, Rail Operations

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John Hack

University of California, Berkeley

Postdoctoral Scholar

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Other employees at Apollo Global Management, Inc.

Name

Company

Position

Shahed Masud

Apollo Global Management, Inc.

Managing Director, Head of Valuations

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Shaun Murphy

Apollo Global Management, Inc.

Principal

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Sydney Mandelbaum

Apollo Global Management, Inc.

Head of Commercial Strategy, Apollo Sports Capital

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Michael Roake

Apollo Global Management, Inc.

Principal

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Noah Greenblatt

Apollo Global Management, Inc.

Associate

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Bailey Peacock

Apollo Global Management, Inc.

Associate

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Siso Negron

Apollo Global Management, Inc.

Executive Driver

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Zanvi Patel

Apollo Global Management, Inc.

Head of Compensation

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Meghan DAngelo

Apollo Global Management, Inc.

Principal

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Katrina Lee

Apollo Global Management, Inc.

Principal, Total Rewards

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