Search Our Database of Vetted Medical Experts



Gilbert R. Meadows, M.D.

Founder/Chief Medical Director

Dr. Gilbert Meadows brings over 40 years of clinical experience as a board-certified and fellowship trained orthopedic spinal surgeon. He additionally founded South Texas Spinal Clinic and spearheaded the development of South Texas Spine and Surgical Hospital in San Antonio.


Mark M. Johnson

Executive Chairman

Mark Johnson brings a wealth of knowledge in business development with over 50 years of executive experience. He additionally serves on numerous boards in San Antonio and is very active within the local community and throughout South Texas.


Craig Comeaux

Executive Vice President, Business Development 

Craig Comeaux brings 30 years of extensive legal and management experience to JM, having spent a decade with an Am Law 100 firm and 18 years as senior executive in the property and casualty industry. His experience will continue to enhance JM's business development efforts & client services.

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Mike Holmes

Senior Vice President, Operations

Mike Holmes bring 35+ years of operations experience, primarily in the litigation support and expert sourcing industry. His experience will be an asset in leading JM's internal operations to further strategic growth. 

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Tony Carmack, CPA

Vice President of Finance 

Tony Carmack is a Certified Public Accountant with over 15 years of experience in Accounting and Finance.His experience will enable Juris Medicus to continue to grow while overseeing the financial operations and creating strategic plans.

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Nancy Segrato Barnes, Esq.

Vice President & Director of Client Development 

Nancy Barnes brings both a background in healthcare and law to Juris Medicus. She has over 15 years of top performance and success in the orthopedic medical device arena and she is also an attorney. She is licensed to practice law in the state of Texas.

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Sarah Crimmins

Director of Expert Recruiting & Development

Sarah Crimmins is a former RN with 30 years of collective clinical practice as both an OR Circulator for Methodist Healthcare System and Clinical Coordinator for Dr. Gilbert Meadows and Dr. Joel Jenné at South Texas Spinal Clinic in San Antonio. 

Robyn Priest

Robyn Priest

Director of Case Management

Robyn Priest is a certified paralegal who has over 20 years of experience working in a variety of roles to include, litigation and law firm management. She brings this knowledge to Juris Medicus to help deliver dependable solutions to our clients.

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