
Dr. Kitahara earned both a PhD and a Master of Health Sciences degree in cancer epidemiology from the Johns Hopkins Bloomberg School of Public Health. Her research program at the U.S. National Cancer Institute examines cancer and other late effects of ionizing radiation exposure from medical sources, both to workers and to patients, and seeks to advance our understanding of the etiology of thyroid cancer. In 2021, she was awarded scientific tenure by the NIH and promoted to senior investigator. Dr. Kitahara has received numerous awards for her work and has published over 215 peer-reviewed papers and several book chapters.
Inaugural Claire and John Bertucci Endowed Chair
Thyroid Surgical Oncology
Professor – Otolaryngology – Head and Neck Surgery
Harvard Medical School
Surgeon
Massachusetts Eye & Ear Infirmary
Dr. Gregory W. Randolph MD FACS FACE MAMSE FEBS (Endocrine) FRCEd (ad hominem) is a Professor of Otolaryngology Head and Neck Surgery, and the Inaugural Claire and John Bertucci Endowed Chair in Thyroid Surgical Oncology at Harvard Medical School in the Department of Otolaryngology Head and Neck Surgery, and Surgeon at Massachusetts Eye & Ear Infirmary. He trained at Cornell and Harvard Medical Schools. He founded and directed the Division of Thyroid and Parathyroid Endocrine Surgery. Dr. Randolph has a thyroid and parathyroid surgical practice focused on thyroid cancer, benign thyroid surgery and hyperparathyroidism exclusively and sees patients and operating at both Mass Eye and Ear Infirmary and Mass General Hospital. He has started the first otolaryngology head and neck surgery endocrine surgery fellowship through the American Head and Neck Society now in its 20th year.
Dr. Randolph has focused the bulk of his research on recurrent laryngeal nerve anatomy, preservation, and monitoring during thyroid cancer surgery with focus on importance of laryngeal exam, recognition of lymph node metastasis and revision cancer surgery with over 300 peer reviewed publications, 170 chapters and 10 books. He has lead thyroid surgical missions to thyroid surgical units in St. Petersburg, Russia, Guangzhou, China, Kenya, rural India and in the Chernobyl region of the Ukraine. He founded and directs the Harvard Thyroid and Parathyroid Surgery Course for surgeons and has directed international surgical courses in Italy, Germany, Switzerland, London, Turkey and Russia. He has received board certification from the European Union’s Board of Surgery in Neck Endocrine Surgery. He has published an endocrine surgical text: “Surgery of the Thyroid and Parathyroid Glands” published by Elsevier Saunders now in its third edition as well as a text centered on surgery of the recurrent laryngeal nerve “The Recurrent and Superior Laryngeal Nerves” published by Springer Publishers now anticipating its second edition. He is currently the PI on a funded clinical trial studying the use of neoadjuvant Lenvatinib in surgery for advanced thyroid cancer (NCT04321954).
Assistant Professor
Otolaryngology – Head and Neck Surgery
Harvard Medical School
Massachusetts Eye and Ear Infirmary

Dr. Marika D. Russell, MD, FACS is Assistant Professor of Otolaryngology – Head and Neck Surgery at Harvard Medical School/Mass Eye and Ear where she also serves as Director of Education for the Division of Thyroid and Parathyroid Endocrine Surgery. She earned her medical degree from Columbia University College of Physicians and Surgeons, completed her residency in otolaryngology–head and neck surgery at the University of California, San Francisco (UCSF) and completed an American Head and Neck Society (AHNS) – accredited fellowship in thyroid/parathyroid surgery at Mass Eye and Ear/Harvard Medical School.
Dr. Russell is a member of the International Thyroid Oncology Group, Vice-chair of the AHNS – Endocrine Section, and an Associate Board Member of the World Congress on Thyroid Cancer.
Associate Professor of Clinical Medicine
Keck School of Medicine
University of Southern California
Los Angeles, CA

Dr. Trevor Angell is Associate Professor of Clinical Medicine in the Division of Endocrinology and Diabetes at the Keck School of Medicine of USC in Los Angeles. He completed medical school, internal medicine, and endocrinology training at the Los Angeles County Medical Center and subsequently joined the faculty of Brigham and Women’s Hospital and Harvard Medical School, focusing on clinical research related to the molecular testing of thyroid nodules.
He is the current Director of the Thyroid Center at USC, serves as Editor-in-Chief of Clinical Thyroidology, and is an active member of the American Thyroid Association Thyroid Nodule Guidelines Taskforce.

Dr. Yasuhiro Ito is a Consultant Surgeon in the Department of Surgery at Kuma Hospital in Kobe, Japan. He specializes in Endocrinology, Endocrine Surgery, and Medical Oncology.
He obtained his Doctor of Medicine degree from the University of Osaka in 1988 and his Doctor of Philosophy in Medicine in 1996. He completed his postgraduate training at Osaka University Medical School and Kuma Hospital, where he continues to be actively involved in both clinical practice and research.
Dr. Ito’s research interests focus on papillary microcarcinoma, prognostic factors of thyroid carcinoma, and chemotherapy of thyroid carcinoma. He has published extensively in leading medical journals, with recent works including:
He also serves on the editorial boards of Thyroid and the Endocrine Journal.
Staff Physician
Consultant Breast and Endocrine Surgeon
Oncology & Integrated Surgical Institute
Cleveland Clinic Abu Dhabi

Dr. Ahmad Matalkah is a consultant breast and endocrine surgeon at Cleveland Clinic Abu Dhabi, specializing in advanced breast surgery and endocrine procedures. His clinical expertise includes robotic-assisted and minimally invasive breast surgery, with a strong focus on innovation and patient centered care. Dr. Matalkah is actively involved in regional and international conferences, sharing insights on surgical oncology and robotic techniques. His professional interests extend to thyroid and thyroid cancer surgery, emphasizing precision, safety, and multidisciplinary collaboration to optimize oncologic and functional outcomes.
Senior Consultant Endocrinologist
Endocrinology Division Head
Al Reem Hospital Abu Dhabi
Dr. Aly B. Khalil is a Senior Consultant Endocrinologist and Head of Endocrinology Division at Al Reem Hospital Abu Dhabi, UAE.
He graduated from the University of Marseille, France and trained in Internal Medicine at Queen’s University, then in Endocrinology at the university of Toronto Ontario Canada.
He is American Board-certified in both internal medicine and endocrinology, Fellow of the American Association of Clinical Endocrinology (AACE), ex-fellow of the American college of endocrinology USA, ex-president of Ontario diabetes association (Canada) and ex-President of the AACE Gulf chapter.
He is active in education and research.; His publications reflect interest in wide aspects of diabetes and endocrinology with a focus on thyroid disorders as well interventional thyroidology.
Consultant Surgical Oncologist
NMC Specialty Hospital, Abu Dhabi

After completing his graduation in M.B.B.S, Dr. Balaji obtained M.S in General Surgery from the Tamil Nadu Dr. M.G.R. Medical University, Chennai in 2000. Then he underwent D.N.B in General surgery from the Ministry of Health & Welfare, Government of India and F.R.C.S from the Royal College of Surgeons of Edinburgh. He completed his M.Ch in Surgical oncology in 2004. Dr. Balaji has been an examiner for the European Board of Surgery – Surgical Oncology division since 2010. He was conferred an honorary diploma from the European Board of Surgery.
Dr. Balaji had a brilliant postgraduate career, publishing several articles on cancer surgery, focusing on laryngeal cancer studies, and publishing a G.I. injury thesis. He had also attended several international conferences and workshops besides this.
Dr. Balaji has a rich experience of 23 years in Cancer surgeries, with his special area of interest being the Thyroid, Gastrointestinal and Breast cancer surgeries. Presently, with the rich experience in thyroid surgeries, the spectrum has expanded towards Endoscopic thyroidectomies. Trans axillary approach for thyroidectomy is no more a dream and has come to reality resulting in “NO NECK SCAR” after thyroid surgery. This procedure is highly unique, which very few doctors Abu Dhabi could perform.
Dr. Basel Altrabulsi is the Vice Chief of Pathology and Laboratory Medicine at Cleveland clinic Abu Dhabi and is also the Chair of Anatomic Pathology.
He is certified by the American Board of Pathology, combined Clinical and Anatomical Pathology and brings to NRL more than 18 years’ international experience in the field of laboratory medicine and diagnostic pathology.
He started his internship in pathology at Baylor University Medical Center, Dallas, Texas and completed his residency training in 2003. He then completed his Selective Pathology Fellowship, followed by a Clinical Research Training Program, at the University of Texas MD Anderson Cancer Center.
He has authored many research publications and is a member of global organizations, such as the International Society of Urological Pathology, the International Society of Breast Pathology, and the United States and Canadian Academy of Pathology. Dr. Basel is passionate about research and education and is the Pathology Course Director at Khalifa University, College of Medicine and Health Sciences in Abu Dhabi.
Clinical Professor
Department of Internal Medicine – Division of Endocrinology
The University of Arizona
College of Medicine – Phoenix

Dr. Christian Nasr is Professor of Medicine at University of Arizona College of Medicine, Phoenix, and Chief of the Division of Endocrinology in the Department of Internal Medicine at Banner University Medical Center in Phoenix, Arizona. He sees patients at Banner University Medical Center-Phoenix and Banner MD Anderson Cancer Center-Gilbert, Arizona. His clinical and research interests are thyroid neoplasia and thyroid eye disease.
Consultant Endocrinologist and Thyroidologist
Assistant Professor of Medicine.
Chair of Emirates Thyroid Congress
President Arab Thyroid Association
UAE representative of WCTC
Abu Dhabi, UAE

Dr. Eiman Alsedeeqi is a Consultant Endocrinologist and Thyroidologist, currently serving as an Assistant Professor of Medicine. She holds American and Canadian Board Certifications and Fellowship Degrees in Internal Medicine, Endocrinology, Diabetes, and Metabolism.
She completed her training at the University of Toronto and pursued a subspecialty fellowship in Thyroidology in Boston, USA. Dr. Alsedeeqi is a Fellow of the American College of Endocrinology (FACE) and an active member of the American Association of Clinical Endocrinology (AACE) and the Endocrine Society.
Dr. Alsedeeqi currently serves as Chair of the Emirates Thyroid Congress, President of the Arab Thyroid Association, and UAE Representative at the World Congress on Thyroid Cancer (WCTC).
Her research interests focus on endocrinology, thyroid disorders, and thyroid cancer, with several publications in peer-reviewed journals. She also contributes as a reviewer for academic journals and is a frequent international speaker in the field of Endocrinology.
Consultant / Staff Physician Endocrinology Department Medical Specialty Institute Cleveland Clinic Abu Dhabi

Dr. Hammad Hussain, MBBS, is a Staff Physician within the Endocrinology Department of Cleveland Clinic Abu Dhabi’s Medical Specialty Institute. Prior to joining Cleveland Clinic Abu Dhabi, Dr. Hussain served as an Endocrinologist at Mayo Clinic Health System in Eau Claire, Wisconsin. He was also Assistant Professor at Mayo Clinic College of Medicine and Science.
Dr. Hussain received his medical degree from The Aga Khan University in Karachi, Pakistan. He completed his residency at University of Pittsburgh Shadyside Hospital in Pittsburgh, Pennsylvania. He subsequently completed fellowships in Geriatrics at Duke University Hospital in Durham, North Carolina and Endocrinology and Metabolism at University of Kansas Medical Center, Kansas City, Kansas.
Staff Physician
Cancer Institute
Cleveland Clinic Abu Dhabi
Dr. Hashem Younes is a staff Physician within the Cancer Institute at Cleveland Clinic Abu Dhabi.
Consultant Radiologist Chief
of Nuclear Medicine Imaging Institute
Cleveland Clinic Abu Dhabi
Dr. Hidayath Ali Ansari is Consultant Radiologist, Chief of Nuclear Medicine at the Imaging Institute of Cleveland Clinic Abu Dhabi, where he has been for the last 10 years.
Prior to his career in UAE; Dr. Ansari worked as a Consultant Radiologist and Clinical Director for the Department of Radiology at the University Hospitals of Morecambe Bay (NHS) Trust in Lancaster, UK and as Chair of the Radiology, Lancashire Cancer Network. He completed his residency and Fellowships in Specialist Radiology Training at Manchester with PET-CT fellowship at the University Hospital Zurich in Switzerland.
He has extensive clinical expertise in Oncological imaging including PETCT’s, and wide range of Nuclear medicine studies. He has established and led PETCT Dementia / Epilepsy imaging, Choline Parathyroid imaging, PSMA- Prostate, Neuro Endocrine imaging and many other innovative isotopes.
Consultant Head and Neck Oncology Surgery
and Microvascular Reconstruction Surgery
King Faisal Specialist Hospital and Reseach Center
Dr. Hussain Alsaffar is a distinguished Otolaryngologist and Head and Neck Surgeon specializing in oncology and complex microvascular reconstruction. After earning his medical degree from King Faisal University, he completed his residency in Otolaryngology–Head and Neck Surgery at Western University, London, Ontario, followed by a two-year fellowship in Head and Neck Oncology and Microvascular Reconstruction at the University of Toronto.
He previously served as Program Director for the Otolaryngology–Head and Neck Surgery Residency Program and Fellowship Director for Head and Neck Oncology and Microvascular Reconstruction at the University of Ottawa, where he also chaired the weekly Head and Neck Mucosal Oncology Tumor Board.
In 2023, Dr. Alsaffar returned to Saudi Arabia to join King Faisal Specialist Hospital and Research Center in Riyadh. Renowned for his commitment to excellence in patient care and education, he continues to advance innovation in surgical oncology and reconstruction.
Dr. Alsaffar brings his wealth of expertise and engaging leadership to guide meaningful clinical discussions and knowledge exchange.
Associate Staff Physician
General Surgery
Digestive Disease Institute
Cleveland Clinic Abu Dhabi

Dr. Juan Pablo Pantoja, MD, is an Associate Staff Physician within the General Surgery Department of Cleveland Clinic Abu Dhabi’s Digestive Disease Institute.
Prior to joining Cleveland Clinic Abu Dhabi, Dr. Pantoja was Staff Surgeon in the National Institute of Medical Sciences and Nutrition in Mexico City, Mexico.
Dr. Pantoja received his medical degree from the National Autonomous University of Mexico and completed his General Surgery residency in the National Institute of Medical Sciences and Nutrition in Mexico City. He then did an Endocrine Surgery Fellowship at the same institution, followed by an Endocrine Surgery Fellowship in the Hospital Clinico y Provincial, Barcelona, Spain.
Following this, Dr. Pantoja returned to Mexico and worked as a Staff Surgeon in the National Institute of Medical Sciences and Nutrition until joining Cleveland Clinic Abu Dhabi.
Throughout his tenure, Dr. Pantoja has specialized in Bariatric, Endocrine and Advanced Laparoscopic Surgery. He is currently the President of the Mexican Board of Surgery.
Currently, Dr. Pantoja resides in Abu Dhabi, with his wife and two children. When he’s not working at Cleveland Clinic Abu Dhabi, Dr. Pantoja enjoys photography and cooking.
Professor Otolaryngology-Head and Neck Surgery
Cleveland Clinic Lerner College of Medicine
Vice Chair Education
Director Head and Neck Endocrine Surgery
Cleveland Clinic Foundation

Dr. Joseph Scharpf, MD, FACS, is a Professor of Otolaryngology- Head & Neck Surgery in the Cleveland Clinic Lerner College of Medicine and a Member of the Cleveland Clinic’s Head and Neck Department in the Integrated Surgical Institute at the Cleveland Clinic Foundation. Dr. Scharpf serves as the Vice Chair for Education in the Department of Otolaryngology-Head and Neck Surgery. He is board-certified in Otolaryngology-Head and Neck Surgery. He has earned Focused Practice Designation in Adult Complex Thyroid/Parathyroid Disease. His specialty interests include thyroid and parathyroid surgery, head and neck cancer, benign head and neck tumors including salivary tumors and paragangliomas, and skull base surgery. He serves as the Director of Head and Neck Endocrine Surgery at The Cleveland Clinic.
Dr. Scharpf’s education includes a Bachelor of Arts, Summa Cum Laude, from Case Western Reserve University and a Medical Doctorate from the Ohio State University College of Medicine and Public Health, where he was inducted into the Alpha Omega Alpha Honor Society. He completed a General Surgery internship and an Otolaryngology-Head and Neck Surgery residency including an additional year of research at the Cleveland Clinic. He pursued further fellowship training in advanced head and neck cancer, endocrine, and reconstructive surgery at the University of Iowa in Iowa City, IA before returning to the Cleveland Clinic.
He has published a book on Intraoperative Nerve Monitoring in Head & Neck Surgery, numerous peer-reviewed journal articles and multiple book chapters on thyroid and parathyroid disease and head and neck cancer. He has delivered an extensive number of presentations both nationally and internationally. Dr. Scharpf also serves as an educator, teaching medical students, residents, and fellows. He is a reviewer for several major scientific journals in his field and has served as a consultant for ThyCa, an organization dedicated to the well-being of those afflicted with thyroid cancer.
Dr. Scharpf is a Fellow of the American College of Surgeons, a member of the American Academy of Otolaryngology-Head and Neck Surgery, the American Thyroid Association, and a member of the American Head and Neck Society.

Dr. Mario Skugor graduated from the University of Zagreb in 1986 and completed residencies in Nuclear Medicine and Internal Medicine, followed by a fellowship in Endocrinology at Cleveland Clinic. He has been a staff physician at Cleveland Clinic since 2002.
His clinical interests include thyroid disorders—particularly thyroid cancer—along with calcium and bone metabolism disorders, diabetes, obesity, and male hypogonadism.
In addition to his clinical work, Dr. Skugor serves as Assistant Clinical Professor of Medicine at the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University. He is also the Director of Education for the Department of Endocrinology and Metabolism, Vice Chair for Education at Cleveland Clinic, and holds an endowed chair within the department.

Dr. Majid Al-Abdulla is a Senior Consultant Otolaryngologist and Head and Neck Surgeon at Hamad Medical Corporation, Qatar, where he also serves as Head of the Head and Neck Unit. He completed advanced fellowships in Head and Neck Oncology, Microvascular Reconstruction, and Transoral Robotic Surgery at McGill University, Canada, and Tata Memorial Hospital, India.
His clinical expertise includes oncologic head and neck surgery, reconstructive microsurgery, and complex oncologic thyroid surgery. He is deeply engaged in clinical research, surgical education, and multidisciplinary cancer care, contributing to advancements in head and neck oncology across the region.
Professor of Surgery
Cleveland Clinic Lerner College of Medicine
Staff/Consultant Physician
Digestive Disease Institute
Cleveland Clinic Abu Dhabi
Dr. Naveed Ahmed, MD, is a Staff Consultant in the Digestive Disease Institute at Cleveland Clinic and have been providing premier patient care for over 30 years.
He is a Diplomate with the American Board of Surgery in General Surgery as well as Surgical Intensive Care. He is also a surgeon with Focused Practice Designation on Adult complex thyroid and parathyroid surgery (ACTPS) that by ABS developed and the American Board of Otolaryngology – Head and Neck Surgery (ABOHNS).
He worked as a Staff/Consultant in General Surgery, Trauma & Critical Care Surgery and Endocrine & Hepatobiliary Surgery from at University of Mississippi Medical Center and at Cleveland Clinic Healthcare System.
Endocrinology Staff Physician
Medical Specialty Institute
Cleveland Clinic Abu Dhabi
Dr. Yasir Elhassan, MBBS, MRCP, PhD, is a Staff Physician within the Endocrinology Department of Cleveland Clinic Abu Dhabi’s Medical Specialty Institute.
Prior to joining Cleveland Clinic Abu Dhabi, Dr. Elhassan held the position of Consultant Endocrinologist at the internationally-renowned Queen Elizabeth Hospital in Birmingham, UK. He also held the position of Honorary Associate Professor at the Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham.
Dr. Elhassan undertook his internship and residency training in the UK (he worked in hospitals in London, Newcastle and Sheffield) and completed his Endocrinology training in Birmingham. He also obtained a PhD degree by research from the University of Birmingham with a thesis titled “Hormonal Regulation of Skeletal Muscle Metabolism”.
Dr. Elhassan is an active researcher and he has published extensively in the fields of adrenal disorders, gonadal disorders, pituitary disorders, and neuroendocrine tumors. He has featured as first or senior author in some of the highest impact factor journals worldwide such as Annals of Internal Medicine, Cell Reports, European Journal of Endocrinology, Journal of Clinical Endocrinology and Metabolism, Lancet Digital Health, and Mayo Clinic Proceedings.
Dr. Elhassan is also the first author of the British Society for Endocrinology guideline for the evaluation of androgen excess in women.
Dr. Elhassan is a regularly invited speaker in major international conferences such as the US Endocrine Society (ENDO) Conference and the British Endocrine Society (BES) Confernce. He also received several early career research-based awards from the British Society for Endocrinology and the US Endocrine Society.
Dr. Elhassan held several national roles in the British Society for Endocrinology including Lead of the Adrenal Network, Elected Member of the Clinical Committee, Member of the Programme Committee, in addition to selected membership in professional specialist groups that advised the Society in matters related to Adrenal and Pituitary gland disorders.
Consultant Surgeon
Director – Thyroid Parathyroid Center
Burjeel Medical City, Abu Dhabi

Dr. Yogesh More, currently serving as the Director of Thyroid Parathyroid center at Burjeel Medical City, Abu Dhabi. He is a consultant otolaryngology head neck surgery and been practicing in abu dhabi since 2014. He completed his postgraduate training in Rhinology at Tufts University, Boston followed by head neck surgery at the University of Kansas, USA. He is a member of the American college of surgeons and teaching faculty with Dubai health authority and Department of Health Abu dhabi.
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