John Koerner

John Koerner: Email & Phone Number

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Associate at Citadel|New York City Metropolitan Area, United States

Position:

Associate at Citadel

Location:

New York City Metropolitan Area, United States

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Last updated: 2026-05-19
Updated: 2026-05-19

Found email addresses for John Koerner:

Business emails:
Personal emails:
k***@hotmail.com

Found phones for John Koerner:

+1-909-***-**29,
+1-520-***-**06
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Work Experience 7 years

Associate at Citadel

Jun 2024 - Current

Senior Energy Analyst at Ascend Analytics

Apr 2023 - Apr 2024

Energy Analyst at Ascend Analytics

Jul 2022 - Mar 2023

Energy Analyst at Ascend Analytics

May 2021 - Aug 2021

Undergraduate Student Researcher at Colorado College

May 2020 - Jul 2020

Economics Tutor at Colorado College

Apr 2019 - May 2020

Mathematics Tutor at Colorado College

Apr 2019 - May 2020

Undergraduate Student Researcher at Colorado College

May 2019 - Aug 2019

John Koerner started working in 2019, then the employee has changed 2 companies and 5 jobs. On average, John Koerner works for one company for 10 months.

Their professional focus is Analytics, Applied Mathematics, and Client Relations across 3 core areas.

Education

Master of Science - MS at Columbia University

Bachelor of Science - BS at Columbia University in the City of New York

Bachelor of Arts - BA, magna cum laude at Colorado College

Frequently Asked Questions

What is John Koerner's email address?

SignalHire found verified email addresses for John Koerner, both business and personal. Their business email is k*****r@citadel.com, and personal emails include k***@alpinacapital.com, and k***@hotmail.com.

What is John Koerner's phone number?

SignalHire found multiple verified phone numbers for John Koerner: +1-480-***-**59, +1-909-***-**29, and +1-520-***-**06.

How do I contact John Koerner at Citadel?

You can reach John Koerner 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 Koerner's professional background?

John Koerner has 7 years of professional experience. They have held roles including Senior Energy Analyst, Energy Analyst, and Energy Analyst at companies such as Ascend Analytics, Ascend Analytics, and Ascend Analytics. Their education includes Master of Science - MS from Columbia University, and Bachelor of Science - BS from Columbia University in the City of New York.

Is John Koerner's contact information up to date?

Yes. John Koerner's SignalHire profile was last updated on 19 May 2026, reflecting their current position as Associate at Citadel in Miami, Florida, United States.

John Koerner Namesakes

Name
Company
Position
John Koerner
Guest Services Coordinator
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John Koerner
Transportation Logistics Manager
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