Guest Editors: Vaninder K. Dhillon (Department of Otolaryngology-Head and Neck Endocrine Surgery, Johns Hopkins University, Bethesda, MD, USA) and Elizabeth Cottrill (Department of Otolaryngology-Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, USA)

Guest Editors: Ralph P. Tufano (Division of Head and Neck Endocrine Surgery, Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins School of Medicine, Baltimore, MD, USA) and Salem I. Noureldine (Department of Endocrine Surgery, Endocrine and Metabolism Institute, Cleveland Clinic Foundation, Cleveland, OH, USA)

Guest Editors: Jeremy D. Richmon (Department of Otolaryngology, Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA) and Jonathon O Russell (Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University, Baltimore, MD, USA)

Guest Editors: Marcin Barczyński (Department of Endocrine Surgery, Third Chair of General Surgery, Jagiellonian University, Medical College, Kraków, Poland) and Maurizio Iacobone (Department of Surgery, Oncology and Gastroenterology, University of Padua, Italy)

The "Meet the Professor" series features interviews with the global Key Opinion Leaders, providing a window into the new developments, breakthroughs, and achievements in the interviewees’ professional fields, both clinically and academically.

Guest Editors: Marcin Barczyński (Department of Endocrine Surgery, Third Chair of General Surgery, Jagiellonian University, Medical College, Kraków, Poland), Hui Sun (Department of Thyroid Surgery, China-Japan Union Hospital, Jilin University, Changchun, China) and Xiaoli Liu (Department of Thyroid Surgery, China-Japan Union Hospital of Jilin University, Changchun, China)

Guest Editors: Fereidoun Azizi (Internal Medicine and Endocrinology, Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran)

Guest Editors: Anuwong Angkoon (Department of Surgery, Police General Hospital, Bangkok, Thailand), Hoon Yub Kim (Department of Surgery, Korea University College of Medicine, Seoul, Korea), Ralph P. Tufano (Department of Otolaryngology-Head and Neck Surgery, Division of Head and Neck Endocrine Surgery, The Johns Hopkins University School of Medicine and Johns Hopkins Medical Institution, Baltimore, MD, USA) and Gianlorenzo Dionigi (Department of Human Pathology in Adulthood and Childhood “G. Barresi”, Division of Endocrine and Minimally Invasive Surgery, University Hospital “G. Martino”, University of Messina, Messina, Italy)