Our People


Dr. Julian E. Bailes, MD

Chairman of the Department of Neurosurgery and Co-Director of the NorthShore Neurological Institute.

Julian E. Bailes, MD, is the Chairman of the Department of Neurosurgery and Co-Director of the North Shore Neurological Institute. His expertise is in Neurovascular disease. Dr. Bailes is a recognized leader in the field of neurosurgery and the impact of brain injury on brain function. He has been instrumental in the understanding of the clinical evidence of chronic traumatic encephalopathy (CTE), a progressive degenerative disease found in individuals who have been subjected to multiple concussions and other forms of head injury. His laboratory research has focused upon mechanisms and treatment of cerebral concussions.

Dr. Bailes is also a founding member and director of the Brain Injury Research Institute, which focuses on the study of traumatic brain injuries and their prevention. Dr. Bailes previously served for 11 years as the Professor and Chairman of the Department of Neurosurgery at West Virginia University School of Medicine where he specialized in the diagnosis and surgical treatment of cerebrovascular disease, stroke, and traumatic brain injury.

Since 1994, Dr. Bailes has been a neurological consultant to the NFL Players’ Association (NFLPA), which has supported research on the effects of head injuries on professional athletes. He is the Medical Director of the Center for Study of Retired Athletes based at the University of North Carolina, Chapel Hill. He has been an advisor to the NCAA and also is the Medical Director for Pop Warner Football, the largest youth sports association in the U.S.

Dr. Bailes has over 120 scientific publications concerning various aspects of neurological surgery, including three books on neurological sports medicine, and performs editorial duties for a number of medical journals. Dr. Bailes has been honored as one of the nation’s best surgeons for eight consecutive years in U.S. News & World Report’s “America’s Best Doctors” and “America’s Top Surgeons.”

Regis W. Haid, Jr., M.D.

Dr. Haid is a founding partner of Atlanta Brain and Spine Care, a Spinal Research Foundation Regional Center of Excellence. He is Medical Director of the Piedmont Spine Center and Neuroscience Service Line, Piedmont Hospital, Atlanta, Georgia. His research interests include spinal reconstruction techniques, with a number of patents and implants concerning such techniques as cervical lateral mass plating, anterior cervical plating, posterior, anterior, lateral and transforaminal lumbar interbody fusion techniques, cervical arthroplasty, lateral lumbar fusion and posterior thoraco-lumbar instrumentation

A renowned surgeon and educator, Dr. Haid has been visiting professor at 30 universities worldwide. He has been a Course Director more than 280 times, lectured at over 190 Spinal Courses, and presented over 500 papers. As a widely-published author, Dr. Haid has contributed over 135 scientific articles to peer-reviewed journals, is presently editing his twelfth textbook, and has written more than 85 chapters on the treatment of spinal disorders.

Dr. Haid has been honored as the Richard C. Schneider Lecturer for the American Association of Neurological Surgeons; the Charles Drake Lecturer for the University of Virginia; and the Canadian Neurosurgical Society (CNSS) Penfield Lecturer for the Canadian Congress of Neurological Sciences. He is the first Neurosurgeon to be invited to give these three lectures.

Dr. Haid has served on the Editorial and Review Boards of several leading journals, including Journal of Neurosurgery, Journal of Neurosurgery-Spine, Neurosurgery, Spine, The Spine Journal, Journal of Spinal Disorders, Neuro-Orthopaedics, Spinal Surgery, Surgical Neurology, Contemporary Neurosurgery, and Clinical Neurosurgery. Dr. Haid is a member of the SpineUniverse Editorial Board and serves on the SpineUniverse Editorial Committee.

He has been listed in the “Best Doctors of America” since 1994, and Consumers Research of America lists him as a “Top Surgeon”. Dr. Haid is also an active member and leader within several professional neurosurgical and spinal societies, including the American Association of Neurological Surgeons, the Congress of Neurological Surgeons, the Neurosurgical Society of America and the Cervical Spine Research Society.

Dr. Haid received his undergraduate degree in 1978 from the University of Notre Dame with majors in philosophy and theology, and a minor in classical literature. He was honored with awards as a member of the Notre Dame Rugby team. In Rugby, he was selected “All Midwest,” “All American Rugby Football Union,” played on the United States Pan American Rugby team, and was invited to try out for the United States rugby team, the Eagles.

He received his MD at West Virginia University in 1982 with membership in Alpha Omega Alpha, serving as President of his class. He completed his neurosurgical residency in 1988 at West Virginia University. A Fellowship with Dr. Joseph Maroon in Pittsburgh, Pennsylvania was performed in 1986. He joined the faculty at Emory University, Atlanta, Georgia in 1993 as Associate Professor, and was promoted to Professor in 2001. During that time, he was Director of the Spinal Fellowship Program.

He completed his neurosurgical residency in 1988 at West Virginia University. A Fellowship with Dr. Joseph Maroon in Pittsburgh, Pennsylvania was performed in 1986. He joined the faculty at Emory University, Atlanta, Georgia in 1993 as Associate Professor, and was promoted to Professor in 2001. During that time, he was Director of the Spinal Fellowship Program.

Dr. Joseph C. Maroon

Professor and Vice Chairman, Heindl Scholar in Neuroscience Department of Neurological Surgery University of Pittsburgh Medical Center

Dr. Maroon is Clinical Professor and Vice Chairman of the Department of Neurosurgery and the Heindl Scholar in Neuroscience at the University of Pittsburgh Medical Center, Pittsburgh, PA. He did his undergraduate work at Indiana University where he was a Scholastic All American in football and received his medical education at Indiana (Bloomington), Oxford (England) and Georgetown Universities and the University of Vermont.

He is on the board of directors of Mylan Laboratories and chairs their Science and Technology committee. In 1990, he co-developed the ImPACT neurocognitive test which is the only FDA approved test for concussion assessment and is the standard of care in most amateur and professional sports organizations. He is also chairman of the Scientific Advisory Board to General Nutrition Corporation, chairman of the Medical and Scientific Advisory Board of Stemedica, a pioneering company in the therapeutic use of stem cells and senior vice president of the American Academy of Anti-Aging Medicine (A4M), one of the largest medical societies in the world for preventive medicine.

He has been the team neurosurgeon for the Pittsburgh Steelers for 30 years and the first neurosurgeon directly appointed in the NFL. In November 2016, he was appointed to the Scientific Advisory Committee of the Chuck Noll Foundation dedicated to research and education in the prevention and treatment of sports-related injuries to the brain. He is a senior member of the NFL Head, Neck and Spine Committee and also medical director of World Wrestling Entertainment Corporation (WWE).

He has published over 270 peer review papers, 54 book chapters and 5 books. In 2017, his book on overcoming adversity and “burnout”, Square One—A Simple Guide to a Balanced Life, was favorably reviewed by Dr. Sanjay Gupta, John Scully, Greg Norman, and others. In 2011, he was recognized as an Indiana University Distinguished Alumnus, an award given to 5 individuals out of 500,000 alumni annually.

He retains a strong athletic interest having competed in 8 ironman distance triathlons, five at the annual World Triathlon Championship in Kona, Hawaii the last in 2013. In 2016, he placed first in his age group and fifth globally in the Ironman 70.3 triathlon. He was inducted into the Lou Holtz Hall of Fame along with Joe Montana and Kareem Abdul Jabbar for athletic accomplishments and contributions to sports medicine He was also inducted into the National Fitness Hall of Fame in Chicago and the Western Pennsylvania Hall of Fame. He is frequently quoted as an expert source by national media including The New York Times, USA Today, Associated Press, ESPN, Sports Illustrated and ABC News Nightline.

Shelly D. Timmons, MD, PhD, FACS, FAANS

Shelly D. Timmons is a Professor of Neurosurgery at Penn State University (PSU) Milton S. Hershey Medical Center, where she actively practices neurosurgery and neurocritical care. She is Vice Chair for Administration for the Department of Neurosurgery at PSU as well as the Director of Neurotrauma. Dr. Timmons is board certified by the American Board of Neurological Surgery and has certification in Neurocritical Care from the Society of Neurological Surgeons Committee on Advanced Subspecialty Training.

She holds a variety of professional organizational positions, including President Elect of the American Association of Neurological Surgeons, for which she has also served as a Director-at-Large on the Board of Directors and in a variety of other leadership roles. She has been Chair of the Washington Committee of the American Association of Neurological Surgeons (AANS) and Congress of Neurological Surgeons (CNS), AANS Representative to the Board of Governors of the American College of Surgeons, Chair of the Neurosurgery Advisory Council of the American College of Surgeons, Chair of the Joint Section on Neurotrauma and Critical Care of the AANS and CNS, and is also currently the President Elect of the Pennsylvania Neurosurgical Society.

Dr. Timmons has chaired several neurotrauma and emergency neurosurgery committees for the AANS, the Washington Committee, the Council of State Neurosurgery Societies and others, and has frequently served as a liaison for trauma-related issues to outside entities on behalf of the AANS, including the Department of Homeland Security and the Institute of Medicine. She served on the American College of Surgeons Committee on Trauma (COT) for eight years, two as a special member, and maintains involvement with the COT via the Verification and Review Committee and the Trauma Systems Consultation Committee, having served as a reviewer for the States of Hawaii, Missouri, and California, and Clark County, Nevada. She served on the Centers for Disease Control National Center for Injury Prevention and Control Board of Scientific Counsellors, for which she chaired the Pediatric Mild Traumatic Brain Injury Guideline Workgroup, and is on the Board of Directors of ThinkFirst, a neurological injury prevention organization.

Dr. Timmons has been a clinical researcher for a number of years, and has participated as principal investigator in numerous clinical trials related to traumatic brain injury (TBI) through local, industry, and NIH funding mechanisms. She has published and lectured on a variety of topics related to TBI, neurocritical care, spinal cord injury, blunt vascular injury, and health care delivery throughout her career. Her primary research interests include clinical trials in TBI, multi-modality monitoring in neurocritical care, prognostication in TBI, diagnosis and treatment of blunt vascular injury, effects of antithrombotic medications on TBI outcomes, and optimal organization of healthcare delivery for brain-injured patients. She has served on multiple grant review panels, including for the NIH, the DoD, the NFL, and the Neurosurgery Research and Education Foundation. She sits on several peer-reviewed journal editorial boards as a neurotrauma expert.

She also has subspecialty expertise in the field of Neurocritical Care, having directed neurosurgical ICUs for nearly two decades. She chairs the Society of Neurological Surgeons Committee on Advanced Subspecialty Training (SNS CAST) Fellowship Review Committee for Neurocritical Care and sits on the CAST committee. She also serves as a neurotrauma and neurocritical care content expert, reviewer, and examiner for the American Board of Neurological Surgeons.

Dr. Timmons obtained undergraduate degrees from the University of Illinois at Urbana- Champaign in Honors Biology (BS 1987) and Rhetoric (BA 1988). She obtained her medical degree from the University of Illinois College of Medicine at Peoria in 1991. She completed her residency training in neurological surgery at the University of Tennessee Health Science Center-Memphis from 1991 to 1997, during which time she served as Administrative Chief Resident from 1996-97. She later (2002) earned her Ph.D., also at UTHSC, in the Department of Anatomy and Neurobiology where she studied noradrenergic modulation of calcium channels in rat sensorimotor cortical pyramidal neurons via G-proteins in the laboratory of Robert C. Foehring, Ph.D.

Prior to assuming her current position, she practiced as a neurological surgeon with Semmes-Murphey Clinic in Memphis, TN from 1997 to 2010. During that time, she was Assistant (1997-2008) and then Associate Professor of Neurosurgery (2008-2011), Chief of the Neurotrauma Division of the University of Tennessee Health Science Center Department of Neurosurgery (1997-2010), and Chief of Neurosurgery at the Regional Medical Center at Memphis/Elvis Presley Memorial Trauma Center (1997-2010). While at the University of Tennessee, she served as Assistant Dean of Graduate Medical Education and Assistant Clinical Dean for the Regional Medical Center at Memphis.

From 2010 to 2016, she was Director of Neurotrauma for the Geisinger Health System and was Associate Director for Neurosciences of the Adult Intensive Care Unit at Geisinger Medical Center in Danville, PA. She developed a new residency training program in neurological surgery at GHS (accredited in 2013), acting as Program Director through 2016. During her tenure at Geisinger, she was a Clinical Associate Professor in the Department of Neurosurgery at Temple University.

Dr. Timmons is married to a cardiothoracic surgeon and has two adult sons.


  • Merril Hoge

  • Dusty Kirk

  • Tony Quatrini

  • Arthur J. Rooney, II

  • John Siebart