John Brennan: Email & Phone Number

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Adjunct Professor at O'Donnell School of Public Health - UT Southwestern|Dallas, Texas, United States

Position:

Adjunct Professor at O'Donnell School of Public Health - UT Southwestern

Location:

Dallas, Texas, United States

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Last updated: 2026-08-11

Updated: 2026-08-11

Found email addresses for John Brennan:

Business emails:

j**********n@utsouthwestern.edu

Personal emails:

j**********n@utsouthwestern.edu

Found phones for John Brennan:

+1-623-***-**83,

+1-480-***-**94,

+1-480-***-**96

A different John Brennan?

Work Experience 29 years

Adjunct Professor at O'Donnell School of Public Health - UT Southwestern

Jan 2023 - Current

President and CEO Joint Pediatric Enterprise: UTSouthwestern and Children’s Health Dallas at Children's Health

Jan 2022 - Jan 2024

Executive Vice President and Chief Clinical Integration Officer at Wellstar Health System

Jan 2016 - Jan 2022

Executive Vice President, Barnabas Health at RWJBarnabas Health

Jan 2013 - Jan 2016

President and CEO, Newark Beth Israel Medical Center / Children’s Hospital of New Jersey at RWJBarnabas Health

Jan 2007 - Jan 2016

Director, Barnabas Health Professional Quality Liability Insurance Company, A Risk Retention Group at RWJBarnabas Health

Jan 2009 - Jan 2013

Senior Vice President of Clinical Affairs and Emergency Services, SBHCS (eight hospitals) at RWJBarnabas Health

Jan 2002 - Jan 2007

Chief Operating Officer at Emergency Medical Associates (EMA)

Jan 2002 - Jan 2003

Regional Vice President at Emergency Medical Associates (EMA)

Jan 1997 - Jan 2003

John Brennan started working in 1997, then the employee has changed 4 companies and 8 jobs. On average, John Brennan works for one company for 4 years 5 months.

Their professional focus is Academic Medical Centers, Acquisition Integration, and Board Governance across 3 core areas.

John holds New Jersey State Medical License, Georgia State Medical License, and California Medical License certifications and has been awarded Baldridge Fellow, Annie Moore Award, and Brightest Star Award

Education

Master of Public Health - MPH at Columbia University Mailman School of Public Health

Resident in Emergency Medicine (1986-1989) and Chief Resident (1988 - 989) at University of Southern California

Internship in Internal Medicine - Associated Hospitals Program at University of Rochester

Doctor of Medicine - MD at Georgetown University School of Medicine

Bachelor of Science - BS at Lemoyne College

Frequently Asked Questions

What is John Brennan's email address?

SignalHire found verified email addresses for John Brennan, both business and personal. Their business email is j**********n@utsouthwestern.edu, and personal emails include j**********n@utsouthwestern.edu.

What is John Brennan's phone number?

SignalHire found multiple verified phone numbers for John Brennan: +1-623-***-**83, +1-480-***-**94, and +1-480-***-**96.

How do I contact John Brennan at O'Donnell School of Public Health - UT Southwestern?

You can reach John Brennan 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 Brennan's professional background?

John Brennan has 29 years of professional experience. They have held roles including President and CEO Joint Pediatric Enterprise: UTSouthwestern and Children’s Health Dallas, Executive Vice President and Chief Clinical Integration Officer, and Executive Vice President, Barnabas Health at companies such as Children's Health, Wellstar Health System, and RWJBarnabas Health. Their education includes Master of Public Health - MPH from Columbia University Mailman School of Public Health, and Resident in Emergency Medicine (1986-1989) and Chief Resident (1988 - 989) from University of Southern California.

Is John Brennan's contact information up to date?

Yes. John Brennan's SignalHire profile was last updated on 11 August 2026, reflecting their current position as Adjunct Professor at O'Donnell School of Public Health - UT Southwestern in Dallas, Texas, United States.

John Brennan Namesakes

Name

Company

Position

John Brennan

Freelance

Stock Day Trader

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John Brennan

Madison Square Garden Sports Corp.

Lead, Alumni Relations & Fan Engagement - New York Rangers

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John Brennan

United Corporate Services, Inc.

Client Services Representative

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