Dr. Nikolaos Martinos is a gastroenterology resident at the Gastroenterology Department of the Naval Hospital of Athens, Greece, since October 2024. He previously completed gastroenterology training (August 2023 – June 2024) and an internal medicine residency at Pammakaristos General Hospital (October 2020 – April 2023). He holds a Master’s degree in Infectious Diseases from the National and Kapodistrian University of Athens (2022–2024) and is currently a PhD candidate in Medicine at the same institution (since February 2025). His research focuses on inflammatory bowel disease (IBD), with particular emphasis on circulating cytokines such as interleukin-10 (IL-10) and interleukin-23 (IL-23), and their association with mucosal healing and histologic disease activity. His work aims to contribute to the development of non-invasive biomarkers and more precise approaches to disease monitoring in IBD.