With over 35 years of surgical experience, Datuk Dr. Johari Siregar Adnan is a pioneering figure in Malaysian neurosurgery. His expertise is built on a strong foundation, having graduated from the University of Malaya and subsequently earning his specialist neurosurgery certification from the prestigious Catholic University of Leuven in Belgium. This distinguished international training has equipped him with a vast range of skills to address complex neurological problems. Datuk Dr. Johari is highly regarded for his comprehensive experience in treating a wide spectrum of neurosurgical conditions, from cranial to spinal procedures in both adult and pediatric patients. His extensive career includes managing head and spinal trauma, tumors, infections, and degenerative diseases. Before joining KPJ Damansara Specialist Hospital, he held significant leadership positions, including Head of Neurosurgery at Hospital Kuala Lumpur and Head of Neurosurgery Services for the Ministry of Health, underscoring his role as a trusted expert and leader in the field. Patients can be confident in his profound knowledge and seasoned ability to handle even the most challenging neurological cases.