Mark Osterman

Mark Osterman: Email & Phone Number

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Senior Vice President, Clinical Development - Immunology, Research & Development at Xencor|Haddonfield, New Jersey, United States

Position:

Senior Vice President, Clinical Development - Immunology, Research & Development at Xencor

Location:

Haddonfield, New Jersey, United States

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Last updated: 2026-04-25
Updated: 2026-04-25

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Work Experience 27 years

Senior Vice President, Clinical Development - Immunology, Research & Development at Xencor

Sep 2025 - Current

Vice President, Early Pipeline and Differentiation for Immunology, Cardiovascular, and Neuroscience at Bristol Myers Squibb

Aug 2024 - Sep 2025

Vice President, Disease Area Head of Gastroenterology/Immunology, Research & Development at Bristol Myers Squibb

Feb 2021 - Aug 2024

Associate Professor Of Medicine at University of Pennsylvania School of Medicine

Jul 2005 - Feb 2021

Gastroenterology Fellow at University of Pennsylvania School of Medicine

Jul 2002 - Jun 2005

Medical Resident at Brigham and Women's Hospital

Jul 1999 - Jun 2002

Mark Osterman started working in 1999, then the employee has changed 3 companies and 5 jobs. On average, Mark Osterman works for one company for 4 years 6 months.

Education

Doctor of Medicine - MD at Harvard Medical School

Bachelor of Arts - BA at Harvard University

Masters of Science in Clinical Epidemiology at University of Pennsylvania

Frequently Asked Questions

What is Mark Osterman's email address?

SignalHire found a verified business email address for Mark Osterman: o**@xencor.com.

What is Mark Osterman's phone number?

SignalHire found a verified phone number for Mark Osterman: +1-***-***-3348.

How do I contact Mark Osterman at Xencor?

You can reach Mark Osterman 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 Mark Osterman's professional background?

Mark Osterman has 27 years of professional experience. They have held roles including Vice President, Early Pipeline and Differentiation for Immunology, Cardiovascular, and Neuroscience, Vice President, Disease Area Head of Gastroenterology/Immunology, Research & Development, and Associate Professor Of Medicine at companies such as Bristol Myers Squibb, Bristol Myers Squibb, and University of Pennsylvania School of Medicine. Their education includes Doctor of Medicine - MD from Harvard Medical School, and Bachelor of Arts - BA from Harvard University.

Is Mark Osterman's contact information up to date?

Yes. Mark Osterman's SignalHire profile was last updated on 25 April 2026, reflecting their current position as Senior Vice President, Clinical Development - Immunology, Research & Development at Xencor in Pasadena, California, United States.

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