Dr. John Kelvin Lalusis is a board-certified Internist and Medical Oncology specialist with clinical expertise in the diagnosis and systemic management of a broad spectrum of adult malignancies and medical conditions. He earned his Doctor of Medicine degree from the University of Santo Tomas and completed his medical internship at the Veterans Memorial Medical Center. He subsequently pursued his residency training in Internal Medicine and a clinical fellowship in Medical Oncology at St. Luke's Medical Center. To integrate international standards of oncology care into his clinical practice, Dr. Lalusis completed a clinical observership in pulmonary oncology at the Centre Hospitalier Universitaire in Toulouse, France, focusing on the multi-disciplinary care of thoracic cancers. He further advanced his training by completing a specialized clinical fellowship in Thoracic Oncology and Phase I Clinical Trials at the National Cancer Centre Singapore (NCCS). As part of the thoracic oncology subspecialty team at NCCS, his clinical focus centered heavily on advanced lung cancer, while concurrently managing head and neck, as well as urologic malignancies. In recognition of his focus on translational research and early drug development, Dr. Lalusis was selected as an International Association for the Study of Lung Cancer (IASLC) Academy mentee, serving as the sole representative from the Southeast Asian region for his cohort. His practice is anchored on precision medicine, leveraging targeted therapies and immunotherapy to design individualized, evidence-based treatment plans. He remains actively engaged in clinical trials and medical research to facilitate patient access to innovative therapeutic advancements.