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At Medical City Alliance, our experienced and knowledgeable leadership team is committed to improving the quality of care and helping our community.

Glenn Wallace, MBA, CPA

Chief Executive Officer of Medical City Alliance

Wallace assumed his leadership role at Medical City Alliance in January 2014. He brings more than 25 years of experience in the health care field, and has served HCA in financial positions at several other locations.

He came to Alliance from Medical City Plano, where he was the chief operating officer. Prior to that, he served as the chief financial officer and chief operating officer at Medical City North Hills. He also was the chief financial officer at Medical City Las Colinas and controller at Plaza Medical Center and Medical City Arlington.

Throughout his career with HCA, Wallace has overseen significant hospital growth including opening Medical City Las Colinas and overseeing major expansion projects at both Medical City Plano and Medical City North Hills.

Wallace earned his Bachelor's degree in business administration from Stephen F. Austin State University and his Master's degree in business administration from Texas Christian University.

Jamie Gibbs

Chief Financial Officer of Medical City Alliance

Jamie Gibbs joined the Medical City Alliance leadership team in March 2021, after serving as the vice president of finance over both Medical City Arlington and Medical City North Hills. During her tenure, she had oversight of accounting, financial reporting, revenue integrity, patient access, supply chain and asset management for both facilities.

Prior to serving in this role, Gibbs the assistant controller, and later, the controller, for both facilities. Before joining Medical City Healthcare, she worked in San Antonio for the HCA/Parallon Shared Services Center as the government logging manager, the payment compliance director and finally as the controller.

Gibbs was a double major in Business Administration and Psychology at St. Edwards University in Austin, Texas. She is currently working on a Master's in Business Administration from A&M University-Commerce. She married her high school sweetheart, Brandon, and they have a daughter.

Board of Trustees

The Board of Trustees of Medical City Alliance furthers the mission of the hospital by ensuring high-quality patient care in coordination with hospital leadership, advising on community needs and advocating on behalf of the hospital. Trustees represent key corporate, philanthropic and physician leaders from the Alliance community.

Vishal Gandhi

Board Chair

Hillwood Properties

SVP Operations & Accounting

Glenn Wallace

Board Secretary

Medical City Alliance

Chief Executive Officer

Farshid Araghizadeh, MD *+

Texas Digestive Disease


Colorectal Surgeon

John S. Badylak, MD

Texas Bone and Joint

Orthopedic Surgeon

Holly Baselle, DO *


Emergency Medicine Physician

Mark Byarlay, MD

Family Healthcare Associates

Family Medicine Physician

Dean Miller

Medical City Alliance

Chief Nursing Officer

Bhavesh Patel, OD

Vista Eye Associates


Rick Westfall, EdD

Keller ISD

Former Superintendent of Schools (retired)