Serge Grabtchak is a seasoned researcher and educator with 20 years of teaching experience starting from 2005. Specializing in physics, chemistry, nanotechnology, and biomedical optics, he has taught at institutions like Dalhousie University and Niagara College, developing courses in photonics, telecommunications, and physics. His research spans deep-tissue imaging, gold nanoparticles for diagnostics, nanophotonics, and optical device design, with over 30 publications in prestigious journals (e.g., Nature, J. Biomed. Opt.) and 2 US patents. He has supervised numerous undergraduate and graduate students, served as a peer reviewer for multiple journals, and received various scholarships and grants. Based in Canada, he is actively involved in consulting for biomedical startups, bridging academic research and industrial applications.