Medical Staff

For more than 14 years, our expert medical team has specialized in petite procedures, lifting, and body contouring—consistently delivering outstanding results through accurate diagnoses and precise treatments.


Dr. Choi Won-Tak
Specializing in Petite Procedures & Body Contouring


"I strive for the safety and happiness of every patient."

  • Current Director of YANN Clinic
  • Completed Master’s Program at Seoul National University College of Medicine
  • Former Clinical Instructor at Seoul National University Hospital
  • Former Visiting Professor at Hanyang University College of Medicine
  • Former Academic Director of Petite Procedures, Korean Society for Laser, Dermatology and Trichology


Filler Education Instructor for:

  • Dongkook Pharmaceutical
  • JW Pharmaceutical
  • AmorePacific
  • Merz Pharma (Germany)


Laser Education Instructor:

  • Korean Association of Private Practice Physicians


Guest Speaker at Renowned Medical Conferences on:

  • Petite Aesthetic Procedures
  • Laser Treatments


Dr. Sung Yoon-Sik
Board-Certified Plastic Surgeon


"I provide honest and responsible care—never over-treating, always putting patients first."

  • Current Director of YANN Clinic
  • Board-Certified Plastic Surgeon
  • Former Chief Director, Chic Plastic Surgery
  • Former Director, JJ Plastic Surgery (formerly Hong Jinjoo Plastic Surgery)
  • Former Director, Wonjin Plastic Surgery

Professional Memberships:

  • Full Member, Korean Society for Aesthetic Plastic Surgery (KSAPS)
  • Full Member, Korean Society of Plastic and Reconstructive Surgeons (KSPRS)
  • Full Member, Korean Society of Eyelid Surgery
  • Full Member, Korean Society of Rhinoplasty
  • Full Member, Korean Cleft Palate-Craniofacial Association


[Publications, Conference Presentations & Clinical Research]

  • The Correlation between the Degree of Enophthalmos and the Extent of Fracture in Medial Orbital Wall Fractures Left Untreated for Over Six Months:
    A Retrospective Analysis of 81 Cases at a Single Institution
  • The Significance of Orbital Preservation in Surgery for Sinonasal Malignancies
  • Surgical Treatment of Binder’s Syndrome
  • A Novel Technique for Correcting Breast Implant Ptosis
  • Camouflaging a Cleft Lip Scar with Single-Hair Transplantation
  • Single Hair Transplantation for Cicatricial Alopecia
  • Reconstruction of Cranial Defect Using Split-Rib Cranioplasty: A Case Report



Dr. Go Ye-Seul

Medical Director, YAAN Clinic


Always putting patients first.

Dr. Go Ye-Seul is the Medical Director of YAAN Clinic, a leading center for advanced dermatology and aesthetic treatments in Korea. Renowned for her patient-focused care and precision-driven techniques, she is dedicated to delivering safe, natural-looking results tailored to each individual's needs.

Former Director, Abijou Clinic

Graduated 2nd in class from KAIST (Korea Advanced Institute of Science and Technology) with a Bachelor’s degree

Full Member, Korean Filler Society

Full Member, Korean Medical Laser Society

Lifetime Member, Korean Society of Obesity & Aesthetic Treatment

Full Member, Korean Aesthetic & Laser Society

Full Member, Korean Society for Laser Skin & Hair

Dr. Go also serves as a Medical Advisor for top aesthetic companies, including:

Bellast (Dongkook Pharmaceutical)

FAVIST Co., Ltd.

BNS MED


Dr. Choi Hyun-Min

Medical Director, YAAN Clinic


Creating natural beauty that brings out your best self.

Dr. Choi Hyun-Min is the Medical Director of YAAN Clinic, where he specializes in aesthetic procedures that enhance and preserve your natural beauty. Known for his refined techniques and patient-centered approach, Dr. Choi combines surgical expertise with a deep understanding of facial balance to deliver safe, harmonious results.

Former Director, SangSang Clinic

Graduate of Washington University in St. Louis, USA

Completed Internship at The Catholic University of Korea, Seoul St. Mary’s Hospital

Completed General Surgery Residency at Yonsei Severance Hospital

Dr. Choi is also a trusted Medical Advisor for leading aesthetic companies, including:

FAVIST Co., Ltd.

Dongkook Pharmaceutical (Bellast)

BNS MED


Dr. Choi Ji-Wook

Medical Director, YAAN Clinic


Striving to understand each patient’s perspective and deliver thoughtful, tailored solutions.

Dr. Choi Ji-Wook is the Medical Director of YAAN Clinic, specializing in aesthetic treatments with a patient-centered approach. He is committed to listening closely to each patient's concerns and providing results that align with their personal goals and expectations.

Former Director, Laren Clinic

Former Director, Yonsei Ramesh Clinic

Lifetime Member, Korean Academy of Aesthetic Medicine

Lifetime Member, Korean Society for Laser Skin & Hair

Dr. Choi also serves as a Medical Advisor for several leading aesthetic companies, including:

Bellast (Dongkook Pharmaceutical)

FAVIST Co., Ltd.

BNS MED


Dr. Kim Eun-Young

Medical Director, YAAN Clinic


Continuously researching and redefining confident beauty through precision and care.

Dr. Kim Eun-Young is the Medical Director of YAAN Clinic, with a strong focus on aesthetic medicine and non-surgical cosmetic procedures. Known for her dedication to ongoing research and innovation, Dr. Kim is committed to helping patients achieve natural, empowering beauty.

Former Director, Beautiful World Clinic

Member, Korean Academy of Aesthetic Medicine

Full Member, Korean Aesthetic & Laser Society

Lifetime Member, Korean Society for Laser Skin & Hair

She also serves as a Medical Advisor for leading aesthetic companies:

Bellast (Dongkook Pharmaceutical)

FAVIST Co., Ltd.

BNS MED


Dr. Jung So-Yeon

Medical Director, YAAN Clinic


Creating healthy beauty through accurate diagnosis and personalized care.

Dr. Jung So-Yeon is the Medical Director of YAAN Clinic, with extensive experience in aesthetic medicine and a strong commitment to clinical precision. She believes that true beauty begins with a deep understanding of each patient’s unique features and needs, and focuses on delivering natural, balanced results.

Former Director, Lee & Jang Dermatology & Plastic Surgery (Gangnam Branch)

Former Director, Cha&You Clinic

Former Director, Generis Clinic

Former Director, Yejimi Clinic

Dr. Jung is also a trusted Medical Advisor for leading aesthetic brands, including:

Bellast (Dongkook Pharmaceutical)

FAVIST Co., Ltd.

BNS MED


Dr. Kim Yong-Joo

Medical Director, YAAN Clinic


Prioritizing patient satisfaction through safe, results-driven care.

Dr. Kim Yong-Joo is the Medical Director of YAAN Clinic, specializing in non-surgical aesthetic procedures with a strong focus on patient satisfaction and natural-looking results. He combines a global educational background with expert-level clinical skills to deliver personalized treatments tailored to each individual’s needs.

Former Director, Abijou Clinic

Graduated top of class in Pre-Medicine at Ohio State University, USA

Full Member, Korean Aesthetic & Laser Society

Full Member, Korean Medical Laser Society

Full Member, Korean Society for Laser Skin & Hair

Full Member, Korean Society of Obesity & Aesthetic Treatment

Full Member, Korean Primary Care Society

Dr. Kim also serves as a Medical Advisor for several leading aesthetic companies:

FAVIST Co., Ltd.

Bellast (Dongkook Pharmaceutical)

BNS MED


International
Academic activities



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