John Maddison
5 email domains
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John Maddison Email & Phone Number
Software Engineer
at
Citadel Securities
1 work email found
@bloomberg.net
LinkedIn matched
✓ Verified August 2026
3 data sources
Profile completeness 86%
Current company
Role
Software Engineer
Location
Scarsdale, New York, United States
Company size
Who is John Maddison? Overview
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Quick answer
John Maddison is listed as Software Engineer at Citadel Securities, a with 2128 employees, based in Scarsdale, New York, United States. AeroLeads shows a work email signal at bloomberg.net and a matched LinkedIn profile for John Maddison.
Company email context
Email format at Citadel Securities
This section adds company-level context without repeating John Maddison's masked contact details.
{first_initial}{last}@bloomberg.net
86% confidence
AeroLeads found 1 current-domain work email signal for John Maddison. Compare company email patterns before reaching out.
Profile bio
About John Maddison
John Maddison is a Software Engineer at Citadel Securities. He possess expertise in embedded software, digital signal processors, embedded systems, rtos, device drivers and 38 more skills. Colleagues describe him as "John is a good partner and always patient to answer your question." and "John gets stuck in at the deep end and and makes things work. He can work across a broad range of disciplines."
Listed skills include Embedded Software, Digital Signal Processors, Embedded Systems, Rtos, and 39 others.
Current workplace
John Maddison's current company
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Citadel Securities
1 role
John Maddison work experience
A career timeline built from the work history available for this profile.
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Software Engineer
Team & coworkers
Colleagues at Citadel Securities
Other employees you can reach at citadelsecurities.com. View company contacts for 2128 employees →
RA
Rob Aranha
Colleague at Citadel SecuritiesToronto, Ontario, Canada
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J(
Julia (Jihyeon) Yoo
Colleague at Citadel SecuritiesHong Kong, Hong Kong Sar
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SJ
Sri Jaladi
Colleague at Citadel SecuritiesGreater St. Louis, United States
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TH
Terrence Hutchen
Colleague at Citadel SecuritiesSchaumburg, Illinois, United States
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RC
Rahul Chugh
Colleague at Citadel SecuritiesLondon, England, United Kingdom
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SY
Sarah Yung
Colleague at Citadel SecuritiesHong Kong Sar, Hong Kong
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ZY
Zhi Yang Tham
Colleague at Citadel SecuritiesSingapore
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MB
Mark Blitzer
Colleague at Citadel SecuritiesNew York, United States
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KK
Kristina Kravchenko
Colleague at Citadel SecuritiesLondon, England, United Kingdom
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FM
Felix Mcpeake
Colleague at Citadel SecuritiesLondon, England, United Kingdom
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Rob Aranha
Colleague at Citadel SecuritiesToronto, Ontario, Canada
View →
J(
Julia (Jihyeon) Yoo
Colleague at Citadel SecuritiesHong Kong, Hong Kong Sar
View →
SJ
Sri Jaladi
Colleague at Citadel SecuritiesGreater St. Louis, United States
View →
TH
Terrence Hutchen
Colleague at Citadel SecuritiesSchaumburg, Illinois, United States
View →
RC
Rahul Chugh
Colleague at Citadel SecuritiesLondon, England, United Kingdom
View →
SY
Sarah Yung
Colleague at Citadel SecuritiesHong Kong Sar, Hong Kong
View →
ZY
Zhi Yang Tham
Colleague at Citadel SecuritiesSingapore
View →
MB
Mark Blitzer
Colleague at Citadel SecuritiesNew York, United States
View →
KK
Kristina Kravchenko
Colleague at Citadel SecuritiesLondon, England, United Kingdom
View →
FM
Felix Mcpeake
Colleague at Citadel SecuritiesLondon, England, United Kingdom
View →
FAQ
Frequently asked questions about John Maddison
Quick answers generated from the profile data available on this page.
What company does John Maddison work for?
John Maddison works for Citadel Securities.
What is John Maddison's role at Citadel Securities?
John Maddison is listed as Software Engineer at Citadel Securities.
What is John Maddison's email address?
AeroLeads has found 1 work email signal at @bloomberg.net for John Maddison at Citadel Securities.
Where is John Maddison based?
John Maddison is based in Scarsdale, New York, United States while working with Citadel Securities.
What companies has John Maddison worked for?
John Maddison has worked for Citadel Securities.
Who are John Maddison's colleagues at Citadel Securities?
John Maddison's colleagues at Citadel Securities include Rob Aranha, Julia (Jihyeon) Yoo, Sri Jaladi, Terrence Hutchen, and Rahul Chugh.
How can I contact John Maddison?
You can use AeroLeads to view verified contact signals for John Maddison at Citadel Securities, including work email, phone, and LinkedIn data when available.
What skills is John Maddison known for?
John Maddison is listed with skills including Embedded Software, Digital Signal Processors, Embedded Systems, Rtos, Device Drivers, Fpga, Debugging, and Linux.
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