Gullane’s research focuses on head and neck oncology, including
oral cavity,
salivary gland, and skull base cancers, as well as microvascular reconstruction. He has published over 384 peer-reviewed articles, 98 textbook chapters, and 10 books, including
Principles and Practice of Head and Neck Surgery and Oncology. He serves on the editorial boards of ten journals and has trained more than 100 fellows from over 30 countries. He has held leadership positions in professional organizations including the American Head & Neck Society, the North American Skull Base Society, the Canadian Society of Otolaryngology–Head and Neck Surgery, and the
Triological Society. Gullane has been a strong advocate for
HPV vaccination policies in Canada to prevent
oropharyngeal cancers. His clinical and academic leadership has directly influenced public health policy related to cancer prevention and treatment. == Honours and awards ==