- Gangbuk Samsung Hospital Intern
- Severance Hospital Neurosurgery Resident
- Instructor at Severance Neurosurgery Department
- Severance Neurosurgery Department Clinical Research Assistant Professor
- Assistant Professor, Catholic Kwandong University International St. Mary's Hospital
- Stroke procedure certification from the Korean Society of Cerebrovascular Endovascular Medicine
- Regular member of the Korean Neurosurgical Society
- Life member of the Korean Society of Cerebrovascular Surgery
