Jeff Tillery in

Jeff Tillery

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Senior Physician Executive Advisor at Oliver Wyman
📍 Peoria Metropolitan Area

Dr. Jeff Tillery is a Senior Physician Executive Advisor at Oliver Wyman, focusing on physician enterprise strategy and value-based care. He leverages his extensive experience as the former CEO of OSF Medical Group and a board-certified Family Medicine physician to guide health systems in improving clinical and operational performance.

He publicly celebrates the dedication of healthcare professionals, especially in ambulatory and home care, and shows appreciation for strong leadership and team-building within his network. He is an alumnus of Eastern Illinois University and The Chicago Medical School.

Dr. Tillery successfully transitioned from running his own private practice to becoming the Chief Transformation Officer for a major healthcare system.

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Experience
24 Years
Current Role
Senior Physician Executive Advisor
Location
Peoria Metropolitan Area
Personality Overview

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Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Jeff cares about

Healthcare Transformation
As a former Chief Transformation Officer and current advisor, his career is focused on evolving health systems and implementing value-based care models.
Physician Leadership
Having moved from a practicing physician to CEO of a large medical group, he is deeply involved in physician enterprise strategy and leadership development.
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Career

Work history

5-2024
Senior Physician Executive Advisor
Oliver Wyman
8-2017 - 5-2024
Chief Executive Officer, OSF Medical Group
OSF HealthCare
4-2015 - 8-2017
Chief Transformation Officer
OSF HealthCare
10-2010 - 4-2015
Vice President, OSF Medical Group Northern Region
OSF HealthCare
7-1990 - 3-1994
Private Practice
Jeffry M. Tillery, M.D.
In the press

Media appearances

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Education
1980 - 1984
Doctor of Medicine (MD)
University of Health Sciences/The Chicago Medical School
1976 - 1980
BS
Eastern Illinois University
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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