Jack Armstrong: Email & Phone Number

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Securities Lending at Siebert Financial|United States

Position:

Securities Lending at Siebert Financial

Location:

United States

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Last updated: 2026-07-08

Updated: 2026-07-08

Found email addresses for Jack Armstrong:

Business emails:

j**k@wsaccess.com,

j************g@kf-advisors.com

Personal emails:

j*****m@umich.edu

Found phones for Jack Armstrong:

+1-870-***-**75,

+1-323-***-**58,

+1-623-***-**04

A different Jack Armstrong?

Work Experience 7 years

Securities Lending at Siebert Financial

Jun 2026 - Current

Founder at J3 Foundation

Jan 2019 - Current

Member at Beta Alpha Rho Pre-Law & Public Service Fraternity

Sep 2024 - Current

Member at Michigan Business Law

Jan 2025 - Current

Financial Advisor at Kelleher Financial Advisors

Jun 2025 - Aug 2025

Busser at Denino's Pizzeria & Tavern

Jun 2019 - Aug 2023

Jack Armstrong started working in 2019, then the employee has changed 5 companies and 4 jobs. On average, Jack Armstrong works for one company for 2 years 7 months.

Education

University of Michigan

Monsignor Farrell High School

Frequently Asked Questions

What is Jack Armstrong's email address?

SignalHire found verified email addresses for Jack Armstrong, both business and personal. Their business email is j**k@wsaccess.com, and personal emails include j*****m@umich.edu.

What is Jack Armstrong's phone number?

SignalHire found multiple verified phone numbers for Jack Armstrong: +1-870-***-**75, +1-323-***-**58, and +1-623-***-**04.

How do I contact Jack Armstrong at Siebert Financial?

You can reach Jack Armstrong 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 Jack Armstrong's professional background?

Jack Armstrong has 7 years of professional experience. They have held roles including Founder, Member, and Member at companies such as J3 Foundation, Beta Alpha Rho Pre-Law & Public Service Fraternity, and Michigan Business Law. Their education includes University of Michigan, and Monsignor Farrell High School.

Is Jack Armstrong's contact information up to date?

Yes. Jack Armstrong's SignalHire profile was last updated on 8 July 2026, reflecting their current position as Securities Lending at Siebert Financial in Miami Beach, Florida, United States.

Jack Armstrong Namesakes

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Jack Armstrong

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Jack Armstrong

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Jack Armstrong

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