Dr. Julius July completed his fellowship in neurovascular surgery at the Department of Neurosurgery, Fujita Health University Hospital, Toyoake, Nagoya, Japan in 2003 and in neuro-oncology and skull-base surgery at the Department of Neurosurgery, Toronto Western Hospital, University of Toronto, Canada in 2007. He is also a certified international fellow of the American Association of Neurological Surgeons (IFAANS), and a member of the Congress of Neurological Surgeons (CNS) and Asian Congress of neurological surgeons (ACNS). He is a member of the neuro-oncology and neurovascular committee of the Indonesian Neurosurgery Society (PERSPEBSI), and vice treasurer of the Indonesian Neurosurgery Society (PERSPEBSI). He has published numerous journal articles and books and is an editorial board member of Medicinus (Medical Journal of Pelita Harapan University), the Journal of Spine and Neurosurgery, the Indonesian Biomedical Journal and the Asian Journal of Neurosurgery. He is currently an associate professor at Department of Neurosurgery and director of clinical education at the Medical Faculty of Universitas Pelita Harapan, Tangerang, Indonesia. He is also a staff neurosurgeon at the Neuroscience Center, Siloam Hospital Lippo Village. He is involved in teaching and mentoring neurosurgery residents and medical students.  His areas of interest include neurovascular surgery, neuro-oncology, and neuro-endoscopy surgery. Eka J Wahjoepramono, is currently a professor, chairman and dean of the Medical Faculty of Universitas Pelita Harapan, Tangerang, Indonesia. He is an active neurosurgeon at the Neuroscience Center, Siloam Hospital Lippo Village. He is an editorial board member of several national and international journals and is a widely published author. He is also a member of AANS (American Association of Neurological Surgeons), vice treasurer of WFNS (World Federation of Neurological Societies), chair of the educational committee of AASNS (Asian Australasian Society of Neurological Surgeons), the past president of ACNS (Asian Congress of neurological surgeons), and a member of neurovascular committee of the Indonesian Neurosurgery Society (PERSPEBSI)..