Our Team

Cory Countryman – Chief Executive Officer

A senior executive with a wealth of experience in the healthcare industry, Cory Countryman has been in hospital operations for over 25 years. During this time, his experience has encompassed everything from start-ups to turnarounds, M&A activity and successful hospital ventures. Cory began his healthcare career as an admitting registrar after an honorable discharge from the US Navy, working his way to coming a CEO of multiple hospitals ranging in size from 100 to 300 beds. Cory has worked in the Dallas and Ft. Worth market for over 15 years and has developed strong relationships with providers and payers.

Victoria Do, MD - Chief of Staff and Director of Primary Care Services

Dr. Do joined Advanced Diagnostic Healthcare System in 2014 after serving as a hospitalist and full-time attending faculty with Memorial Hermann Hospital for over 10 years. As the Chief of Staff and Director of Primary Care Services for both Advanced Diagnostics Houston hospitals, Dr. Do practices evidence-based medicine, a combination of individual clinical expertise and external clinical evidence from the most current research, studies and protocols. She works closely with her patients and their specialists to coordinate a comprehensive, individualized plan of action. She speaks openly and thoroughly with her patients and stresses education in her practice, ensuring her patients understand the reasons and are given options for their treatment plan. In her free time, Dr. Do enjoys cooking and spending time with her husband and two children.

Girish Gidwani , MD - Medical Director

Dr. Girish Gidwani joined Advanced Diagnostics Healthcare System in 2014. A Board Certified radiologist who has a passion for combining outstanding patient care with cutting edge minimally invasive procedures, Dr. Gidwani has a specific interest in interventional oncology and venous disease. Prior to joining Advanced Diagnostics, Dr. Gidwani served as Chief of Radiology at Bay Area Regional Medical Center. While there, he led a diverse interdisciplinary team and developed extensive policies and procedures that resulted in new industry best practices. Outside of work, Dr. Gidwani enjoys giving back to the community through various medical charitable and academic organizations.

Kevin Smoot - Executive Director, Subacute Trauma Program

Kevin Smoot joins Advanced Diagnostics Healthcare System with over 30 years of management and sales and marketing experience. Mr. Smoot has extensive experience in business development and managing business units. Outside of work Mr. Smoot has worked on the advisory board for the Texas Southern School of Business, Big Brother and Big Sisters, Prisoners Entrepreneur Program (PEP) and volunteers at Provision School in Houston.

Autumn Pulis - Chief Nursing Officer

A professional nurse with more than 25 years experience in medical surgical nursing, pediatrics, critical care and emergency services, Autumn Pulis has spent her career fostering quality in-patient care through evidence-based nursing practice, staff education, empowerment and creating a positive work culture.

From left to right: Joe Lenahan, Chief Executive Officer, Cognizant Management Solutions; Rubin Shah, Chief Executive Officer, East Houston Hospital & Clinics; Christopher Douglas, Ed.D, Chief Executive Officer, River Oaks Hospital & Clinics; Raj Thakur, MD, Chief Executive Officer; Cory Countryman, Chief Executive Officer, Advanced Dallas Hospital; Rob Turner, Chief Development Officer; Mark Previty, Chief Financial Officer