Yunus Kuntawi Aji, MD, is a neurological spine surgeon in Jakarta, Indonesia. He is board certified by the Indonesian Board of Neurological Surgery. Dr. Aji's expertise includes (but not limited to) the surgical treatment of scoliosis, spinal trauma, herniated disc, and spinal tumors, particularly with minimally invasive spine surgery. He is a member of the American Association of Neurological Surgeons, AO Spine, The World UBE Society, World Spinal Column Society, Eurospine, Scoliosis Research Society, North American Spine Society, International Spinal Cord Society, and Indonesian Society of Neurological Surgeons.

Dr. Aji earned his medical degree from Faculty of Medicine Universitas Indonesia in Jakarta. He then completed a residency in neurosurgery at Faculty of Medicine Universitas Airlangga in Surabaya. He also completed spine surgery fellowships/observerships at Juntendo University Hospital in Tokyo and Duke University Medical Center in North Carolina.

His research interests include minimally invasive spine surgery, complex degenerative disease, complex spinal deformity, traumatic spinal injuries, and spinal tumors.