Jack O’Brien: Email & Phone Number

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Chief Medical Officer at Haven Health|Los Angeles, California, United States

Position:

Chief Medical Officer at Haven Health

Location:

Los Angeles, California, United States

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Last updated: 2026-07-08

Updated: 2026-07-08

Found email addresses for Jack O’Brien:

Business emails:

j***k@kbam.co.kr,

j*********k@jramc.com,

j*********k@skens.com

Personal emails:

j*********k@gmail.com

Found phones for Jack O’Brien:

+1-909-***-**60,

+1-480-***-**76,

+1-520-***-**34,

+1-623-***-**79

A different Jack O’Brien?

Work Experience 7 years

Chief Medical Officer at Haven Health

Jan 2026 - Current

Scientific Researcher at Gilead Sciences

Aug 2022 - Current

Scientific Researcher at ViiV Healthcare

Jul 2022 - Current

Scientific Researcher at GlaxoSmithKline Consumer Healthcare, L.P.

Nov 2020 - Current

Scientific Researcher at Merck

Nov 2019 - Current

Medical Doctor at Pacific Oaks Medical Group

Aug 2019 - Dec 2025

Jack O’Brien started working in 2019, then the employee has changed 5 companies and 2 jobs. On average, Jack O’Brien works for one company for 4 years 6 months.

Their professional focus is Brazilian Portuguese, Educational Research, and English to Spanish across 3 core areas.

Education

Residency at Rowan University School of Osteopathic Medicine

New York Institute of Technology College of Osteopathic Medicine

Bachelor of Arts - BA at Binghamton University

Frequently Asked Questions

What is Jack O’Brien's email address?

SignalHire found verified email addresses for Jack O’Brien, both business and personal. Their business email is j***k@kbam.co.kr, and personal emails include j*********k@gmail.com.

What is Jack O’Brien's phone number?

SignalHire found multiple verified phone numbers for Jack O’Brien: +1-909-***-**60, +1-480-***-**76, and +1-520-***-**34.

How do I contact Jack O’Brien at Haven Health?

You can reach Jack O’Brien 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 O’Brien's professional background?

Jack O’Brien has 7 years of professional experience. They have held roles including Scientific Researcher, Scientific Researcher, and Scientific Researcher at companies such as Gilead Sciences, ViiV Healthcare, and GlaxoSmithKline Consumer Healthcare, L.P.. Their education includes Residency from Rowan University School of Osteopathic Medicine, and New York Institute of Technology College of Osteopathic Medicine.

Is Jack O’Brien's contact information up to date?

Yes. Jack O’Brien's SignalHire profile was last updated on 8 July 2026, reflecting their current position as Chief Medical Officer at Haven Health in Signal Hill, California, United States.

Jack O’Brien Namesakes

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Jack O’Brien

Bank of America

Incoming Sales and Trading Analyst

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Jack O’Brien

Alta and Co

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Jack O’Brien

Animo Tutoring

Tutor

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