Meet Our Medical Team
Meet Our Medical Team
Tuntun Children’s Hospital is here to support your child through every step of their growing journey.
Dedicated to Being Your Child’s Primary Care Physicians
We will be with you every step of the way.
Bringing happiness to children and a brighter future for families.

Dr. Yong-Jae Choi, Chief Director
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Dr. Yun-Gyu Bang, Director
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Dr. Min-Hwa Son, Director
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Dr. Jun-Young Lee, Director
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Dr. Yong-Jae Choi, Chief Director
Qualifications & Experience
- Board-Certified Pediatrician / President of the Korean Children’s Hospital Association
- Lifetime Member, Korean Pediatric Society
- International Member, American Academy of Pediatrics (AAP)
- Member, European Academy of Allergy and Clinical Immunology (EAACI)
- Member, Korean Academy of Pediatric Allergy and Respiratory Disease (KAPARD)
- Current Chief Director, Tuntun Children’s Hospital
Publications (Books)
- The Most Complete Guide to Your Child’s Peaceful Sleep (ePublic)
- A Breastfeeding Guide for New Mothers (ePublic)
- Potty Training for Raising a Smart Child (ePublic)
- Atopic Dermatitis: Knowing is Winning (Neo World)
Patents
- Remote Atopic Dermatitis Diagnosis System and Method Using Communication Networks (Registration No. 10-0117834-00-00, Application No. 10-2005-0063438, KIPO)
- 3D Biomechanical Data and Parameter Analysis Method and Device Using the Same
(Registration No. 10-0909350-00-00, Application No. 10-200700024462, KIPO)

Dr. Yun-Gyu Bang, Director
Qualifications & Experience
- Board-Certified Pediatrician / Specializing in Pediatric Otolaryngology, Allergic Rhinitis, and Immunotherapy
- Subspecialty Board-Certified in Pediatric Emergency Medicine
- Lifetime Member, Korean Pediatric Society
- Member, Korean Society of Pediatric Infectious Diseases
- Member, Korean Society of Pediatric Gastroenterology, Hepatology and Nutrition
- Education Committee Member, Korean Children’s Hospital Association
- Academic Editorial Committee Member, Korean Children’s Hospital Association
Key Research & Publications
- Clinical significance of nutritional risk screening tool for hospitalized children with acute burn injuries: a cross-sectional study
- Risk factors for functional constipation in young children attending daycare centers
- Abdominal actinomycosis mimicking acute appendicitis in children: a case report

Dr. Min-Hwa Son, Director
Qualifications & Experience
- Board-Certified Pediatrician
- Completed Pediatric Residency at Korea University Medical Center
- Clinical Fellowship in Pediatric Nephrology at Korea University Medical Center
- Lifetime Member, Korean Pediatric Society
- Member, Korean Society of Pediatric Nephrology
- Member, Korean Society of Nephrology
- Lifetime Member, Korean Society of Pediatric Emergency Medicine
Key Research & Publications
- Plasma Neutrophil Gelatinase-associated Lipocalin and Leukocyte Differential Count in Children with Febrile Urinary Tract Infection
- A Novel Homozygous CLCNKB Mutation of Classic Bartter Syndrome Presenting with Renal Cysts in 6-Year-Old Identical Twin Boys: A Case Report
- Risk factors for recurrent urinary tract infections in young infants under the age of 24 months

Dr. Jun-Young Lee, Director
Qualifications & Experience
- Board-Certified Pediatrician
- M.D., Soonchunhyang University College of Medicine
- Master of Medicine, Soonchunhyang University
- Ph.D. in Medicine, Soonchunhyang University
- Member, Korean Pediatric Society
- Completed the Pediatric Asthma Treatment Expert Course (Hosted by the Korean Academy of Pediatric Allergy and Respiratory Disease)
- Over 30 years of clinical experience as a Pediatrician
Key Research & Publications
- A Study on the Prevalence of Childhood Obesity in School-Aged Children and Adolescents in the Seoul Area
- The Significance of Cytokines in Bronchoalveolar Lavage Fluid in the Pathogenesis of Neonatal Chronic Lung Disease