IHA Senior Leadership Team

Our experienced president and CEO and senior leadership team are focused on advancing healthcare in Illinois by working closely with hospital and health system leaders, legislators, and policymakers.

A.J. Wilhelmi

A.J. Wilhelmi

President & CEO

A.J. Wilhelmi became the President and CEO of the Illinois Health and Hospital Association (IHA) on January 1, 2016. With offices in Chicago, Naperville, Springfield and Washington D.C., IHA represents more than 200 hospitals and health systems as they care for their patients and communities, advocating for a sustainable, patient-focused health care system that provides high-quality care and promotes healthy local communities. Read more.

Mark Deaton

Mark Deaton

Senior Vice President & General Counsel
Joanna Farrere

Joanna Farrere

Senior Vice President, Human Resources & Administrative Services
Patrick Gallagher

Patrick Gallagher

Senior Vice President, Health Policy & Finance
David Gross

David Gross

Senior Vice President, Government Relations
Ed Holzhauer

Ed Holzhauer

Senior Vice President, IHA Business Resources
Tim Nuding

Tim Nuding

Senior Vice President, Member Services and Corporate Finance