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UTHealth Expert List


Marcia Barnes, Ph.D.

Marcia  Barnes

Professor of Pediatrics, Children’s Learning Institute, UTHealth Medical School

Marcia Barnes, Ph.D., studies academic skill development and learning disabilities in mathematics and reading comprehension in preschoolers and school-age children. She has a special emphasis on learning difficulties in children with neurodevelopmental disorders.


Johnnie Frazier, M.D., M.Ed.

Johnnie  Frazier
  • Clinical Professor of Pediatrics, UTHealth Medical School
  • Director, UT Physicians Power Medical Center Clinic

Johnnie Frazier, M.D., M.Ed., a fellow of the American Academy of Pediatrics, has been interviewed on a wide range of topics including immunizations, continuity of care, influenza, medications, growth and fever. She specializes in maternal-child weaning habits, pediatric nutritional habits, educational learning strategies and team-based learning. Publications including authoring the chapter on intoeing in the 2009 clinical guide “Visual Diagnosis and Treatment in Pediatrics.”


Cathy Guttentag, Ph.D.

Cathy  Guttentag
  • Assistant Professor of Pediatrics, Children’s Learning Institute
  • The Autism Center at Children’s Learning Institute

Cathy Guttentag, Ph.D., evaluates children with various learning and behavioral disorders, including Autism Spectrum and related disorders. She has experience providing assessment and therapeutic services to children with a variety of issues including post-traumatic stress, oppositional/defiant behavior problems, poor social skills, autism/pervasive developmental disorders, generalized anxiety, and adjustment to physical disabilities.

Previous Interview:


Adelaide Hebert, M.D.

Adelaide  Hebert
  • Director and Professor of Pediatric Dermatology, UTHealth Medical School

Adelaide Hebert, M.D., specializes in pediatric dermatology, atopic dermatitis, psoriasis, cutaneous fungal infections, acne, hyperhidrosis and cosmetic dermatology.  Hebert is board-certified in dermatology, pediatric dermatology and wound healing.

Previous Interview:


Jennifer Hoskovec, M.S., CGC

Jennifer  Hoskovec
  • Assistant Professor, Department of Obstetrics, Gynecology and Reproductive Sciences, UTHealth Medical School
  • Director, Prenatal Genetic Counseling Service, UTHealth Medical School
  • Faculty, Genetic Counseling, UTHealth School of Biomedical Sciences
  • Director, Prenatal Genetic Counseling Services, Children's Memorial Hermann Hospital

Jennifer Hoskovec, M.S., CGC, has clinical and research expertise in prenatal testing and screening, psychosocial counseling for prenatal patients, genetic counseling graduate student education and genetic counseling professional issues. She is certified by the American Board of Genetic Counselors and serves as the 2014 president of the National Society of Genetic Counselors.


Susan Landry, Ph.D.

Susan  Landry
  • Founder and Director, Children’s Learning Institute, UTHealth
  • Albert & Margaret Alkek Endowed Chair in Early Childhood Development, UTHealth Medical School
  • Michael Matthew Knight Memorial Professor in Pediatrics, UTHealth Medical School

Susan Landry, Ph.D., a nationally recognized expert in early childhood education, has led numerous research projects that promote early cognitive growth, development and quality learning environments for young children. She is currently involved in using the knowledge gained from years of studying young children to help promote the national goals of early childhood literacy initiatives. 

Previous Interview:


LaTanya Love, M.D.

LaTanya  Love
  • Assistant Professor, Pediatrics and Internal Medicine, UTHealth Medical School
  • Assistant Dean for Admission and Student Affairs and Diversity and Inclusion, UTHealth Medical School
  • Medical Director, UTHealth Student Health Services
  • Associate Medical Director, Texas/Mexico Border Health Project
  • Primary Care Physician with UT Physicians

LaTanya Love, M.D., is a pediatrician, mother of two and an expert on “mommy myths.” She also has a strong commitment to adult health issues, with a focus on preventive medicine. She has extensive experience as an on-air health expert, addressing healthcare topics that impact both children and adults.

Previous Interview:


Hope Northrup, M.D.

Hope  Northrup
  • Professor and Director, Division of Medical Genetics, Department of Pediatrics, UTHealth Medical School
  • Director of the Medical Genetics Residency/Fellowship Program, Department of Pediatrics, UTHealth Medical School
  • Medical Director, Genetic Counseling Program, UTHealth Graduate School of Biomedical Sciences
  • Attending physician, Memorial Hermann-Texas Medical Center and Memorial Hermann The Woodlands Hospital

The clinical interests of Hope Northrup, M.D., include metabolic diseases, neurogenetic diseases and chromosome disorders. For more than 20 years, she has led a laboratory researching tuberous sclerosis complex (TSC) and spina bifida and her research team has contributed to the discovery of two genes that cause TSC. Northrup is the author of a paper detailing new diagnostic criteria for TSC, which was published in the September 2013 issue of Pediatric Neurology. In 2006, she founded the Tuberous Sclerosis Center at UT Physicians, one of just 20 clinics in the country devoted to research and the treatment of TSC. She was named the 2012 Wise Woman HER Award recipient by Houston Woman Magazine.

Previous interview:


W. Daniel Williamson, M.D.

W. Daniel  Williamson
  • Professor of Pediatrics, UTHealth Medical School
  • Developmental Psychologist, Dan L. Duncan Children's Neurodevelopment Clinic, Children’s Learning Institute

W. Daniel Williamson, M.D., evaluates individuals from newborns through college age. He follows prematurely born children who are at risk for developmental problems and children with developmental delays and/or disorders, including those with Autism Spectrum (autism, pervasive developmental disorder, and Asperger Syndrome), ADHD or learning disorders such as dyslexia and dysgraphia.