Jack Sullivan: Email & Phone Number

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Robert L. Blinkenberg Research Fellow at Harvard University|Bethesda, Maryland, United States

Position:

Robert L. Blinkenberg Research Fellow at Harvard University

Location:

Bethesda, Maryland, United States

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Last updated: 2026-07-04

Updated: 2026-07-04

Found email addresses for Jack Sullivan:

Business emails:

s********j@harvard.edu

Personal emails:

j***@gwu.edu,

j***@hotmail.com,

s***@caltech.edu,

s***@yahoo.com

Found phones for Jack Sullivan:

+1-480-***-**80,

+1-909-***-**38,

+1-870-***-**20

A different Jack Sullivan?

Work Experience 3 years

Robert L. Blinkenberg Research Fellow at Harvard University

Jun 2026 - Current

Undergraduate Researcher at Caltech

Aug 2025 - Current

Teaching Assistant at Caltech

Jan 2026 - Current

Peer Tutor at Caltech

May 2026 - Current

Writing Center Tutor at Caltech

Mar 2025 - Current

Samuel P. and Frances Krown Research Fellow at The George Washington University

May 2025 - Oct 2025

Student Researcher at SSP International

Jul 2023 - Aug 2023

Jack Sullivan started working in 2023, then the employee has changed 3 companies and 6 jobs. On average, Jack Sullivan works for one company for 7 months.

Their professional focus is Mathematica and Python (Programming Language) across 2 core areas.

Education

Bachelor of Science - BS at Caltech

High School Diploma at Georgetown Preparatory School

Frequently Asked Questions

What is Jack Sullivan's email address?

SignalHire found verified email addresses for Jack Sullivan, both business and personal. Their business email is s********j@harvard.edu, and personal emails include j***@gwu.edu, j***@hotmail.com, and s***@caltech.edu.

What is Jack Sullivan's phone number?

SignalHire found multiple verified phone numbers for Jack Sullivan: +1-480-***-**80, +1-909-***-**38, and +1-870-***-**20.

How do I contact Jack Sullivan at Harvard University?

You can reach Jack Sullivan 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 Sullivan's professional background?

Jack Sullivan has 3 years of professional experience. They have held roles including Undergraduate Researcher, Teaching Assistant, and Peer Tutor at companies such as Caltech, Caltech, and Caltech. Their education includes Bachelor of Science - BS from Caltech, and High School Diploma from Georgetown Preparatory School.

Is Jack Sullivan's contact information up to date?

Yes. Jack Sullivan's SignalHire profile was last updated on 4 July 2026, reflecting their current position as Robert L. Blinkenberg Research Fellow at Harvard University in Cambridge, Massachusetts, United States.

Jack Sullivan Namesakes

Name

Company

Position

Jack Sullivan

University of Delaware

Business Student

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Jack Sullivan

PwC

Audit Associate

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Jack Sullivan

Sullivan Hardwood Flooring

Apprentice

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