Prof. Timothy Lee Kam Yiu is a renowned neurosurgeon who directed the Vascular Programme at the National Neuroscience Institute and led the Neurosurgical Division at the National University Hospital before establishing his private practice. He has published over 100 medical journal articles, including a first-author publication in Lancet. Prof. Lee regularly operates in countries like Indonesia, Shanghai, and New Zealand, and he organizes workshops to train younger neurosurgeons. He actively contributes to several prestigious neurosurgical societies, including the World Society of Stereotactic and Functional Neurosurgery.