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Woojin Cho, MD

CEO
Withsim Clinic
Seongnam-si, United States

Dr. Cho is the Representative Director of Withsim Clinic, Bundang, South Korea. He graduated from Korea University in Seoul, South Korea, and trained in Otolaryngology-Head and Neck Surgery at Korea University Anam Hospital. He maintains an active busy practice using ultrasound, focused exclusively on patients with a lump on the neck including thyroid nodules, salivary disease, lymphadenopathy, and various soft tissue diseases.

He is also active in research on office-based head and neck ultrasound and ultrasound-guided procedures (radiofrequency ablation, sclerotherapy, and core needle biopsy), leading efforts to advance and promote the surgeon’s perspective on these techniques throughout Korea and East Asia.

In 2024, he founded the International Head and Neck Ultrasound Surgeon’s Association and currently serves as its General Secretary. In this role, he oversees and supports collaborative research and academic activities with related societies across Asia, Australia, and the United States.

He has delivered over 100 scientific presentations worldwide and published more than 20 peer-reviewed articles and chapters in medical textbooks, mainly dealing with head and neck ultrasound. As an executive board member of the Korean Society of Otorhinolaryngology-Head and Neck Surgery, Korean Intraoperative Neural Monitoring Society, Korean Association of Otorhinolaryngologists, and Korean Society of Head and Neck Surgery, he has been in charge of over 20 international and domestic head and neck ultrasound courses for surgeons (including Hong Kong, Japan, and New Zealand). He has received three “Presentation of the Year” awards at the Annual Congress of the Korean Association of Otorhinolaryngologists.

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