Michael Jeffries: Email & Phone Number

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Quantitative Researcher at Susquehanna International Group|Atherton, California, United States

Position:

Quantitative Researcher at Susquehanna International Group

Location:

Atherton, California, United States

View Michael Jeffries's Email

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Last updated: 2026-10-07

Updated: 2026-10-07

Found email addresses for Michael Jeffries:

Business emails:

m**************s@sig.com

Personal emails:

m****f@stanford.edu,

m**************s@stanford.edu

Found phones for Michael Jeffries:

+1-323-***-**20,

+1-205-***-**55,

+1-870-***-**05

A different Michael Jeffries?

Work Experience 3 years

Quantitative Researcher at Susquehanna International Group

Aug 2026 - Current

Quantitative Research and Systematic Trading Intern at Susquehanna International Group

Jun 2025 - Aug 2025

Mathematics Grader at Stanford University

Oct 2023 - Jun 2025

Machine Learning Researcher at Stanford University

Jun 2023 - Sep 2023

Quantitative Trading Intern at DRW

Jun 2024 - Aug 2024

Michael Jeffries started working in 2023, then the employee has changed 2 companies and 4 jobs. On average, Michael Jeffries works for one company for 6 months.

Education

Master of Science - MS at Stanford University

Bachelor of Science - BS at Stanford University

Quarter Abroad at University of Oxford

High School Diploma at Menlo School

Frequently Asked Questions

What is Michael Jeffries's email address?

SignalHire found verified email addresses for Michael Jeffries, both business and personal. Their business email is m**************s@sig.com, and personal emails include m****f@stanford.edu, and m**************s@stanford.edu.

What is Michael Jeffries's phone number?

SignalHire found multiple verified phone numbers for Michael Jeffries: +1-323-***-**20, +1-205-***-**55, and +1-870-***-**05.

How do I contact Michael Jeffries at Susquehanna International Group?

You can reach Michael Jeffries 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 Michael Jeffries's professional background?

Michael Jeffries has 3 years of professional experience. They have held roles including Quantitative Research and Systematic Trading Intern, Mathematics Grader, and Machine Learning Researcher at companies such as Susquehanna International Group, Stanford University, and Stanford University. Their education includes Master of Science - MS from Stanford University, and Bachelor of Science - BS from Stanford University.

Is Michael Jeffries's contact information up to date?

Yes. Michael Jeffries's SignalHire profile was last updated on 7 October 2026, reflecting their current position as Quantitative Researcher at Susquehanna International Group in Bala Cynwyd, Pennsylvania, United States.

Michael Jeffries Namesakes

Name

Company

Position

Michael

Cleveland Public Library

Shipping and Duplication Technician

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Michael Jeffries

Department of Primary Industries (Queensland)

Graduate Agronomist

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Michael Jeffries

HM Customs Gibraltar

Customs Officer

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