November 1, 2022

Peng R. Chen, MD

Dr. P. Roc Chen is a Professor of Neurosurgery at McGovern Medical School at UTHealth Houston. He received his medical degree at Sun Yat-Sen University of Medical Sciences in Guangzhou, China, followed by residencies at Brigham and Women’s Hospital and…


November 1, 2022

Sigmund Hsu, MD

Sigmund Hsu, MD, is fellowship trained and certified by the American Board of Psychiatry and Neurology, with extensive experience in the evaluation and treatment of neurological disorders in cancer patients. He specializes in primary brain tumors as well as brain…


November 1, 2022

Ryan S. Kitagawa, MD

Dr. Ryan Kitagawa is an assistant professor at McGovern Medical School at UTHealth with a primary clinical and research focus in the care of adult patients with Traumatic Brain Injury (TBI). He strives to provide top quality care to all…


November 1, 2022

Karl M. Schmitt, MD

Karl Schmitt, MD, is an assistant professor of neurosurgery at McGovern Medical School at UTHealth and is board certified by the American Association of Neurological Surgery. Dr. Schmitt is a graduate of The University of Texas Medical Branch at Galveston;…


November 1, 2022

Nitin Tandon, MD

Visit the Tandon Research Laboratory Dr. Nitin Tandon is a professor and neurosurgeon with the Vivian L. Smith Department of Neurosurgery at UTHealth Medical School. Dr. Tandon also serves UTHealth Houston as the Vice President of Strategy and Development for…


November 1, 2022

Stephen Fletcher, DO

Stephen A. Fletcher, DO, received his medical degree at the University of North Texas Health Science Center’s Texas College of Osteopathic Medicine, and completed his neurosurgery residency at The University of Texas Health Science Center at Houston/Memorial Hermann-Texas Medical Center…


November 1, 2022

Huimahn A. Choi, MD, MS

Board Certifications Diplomate, American Board of Psychiatry and Neurology


November 1, 2022

Jay-Jiguang Zhu, MD, PhD

Board Certifications American Board of Psychiatry and Neurology Dr. Jay-Jiguang Zhu earned his medical degree from McGill University in Montreal, Quebec, Canada. He completed his residency training in neurology at Tufts University School of Medicine in Boston, Mass. He subsequently…


November 1, 2022

John P. Hagan, PhD

Dr. Hagan received his Ph.D. from the University of Pittsburgh under the mentorship of the HHMI Investigator Dr. Paula Grabowski where his research focused on elucidating the molecular mechanisms responsible for exon definition during pre-mRNA alternative splicing. His initial postdoctoral…


November 1, 2022

Georgene W. Hergenroeder, PhD

Visit my research page


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