Board of Medical Advisors


Barry F. Bennett, MD

Southeast Idaho Family Practice, Idaho Falls, ID

BACKGROUND: Dr. Bennett graduated from the University of Utah School of Medicine and did his residency in Family Medicine through the US Army. He is the Past President of the Idaho Academy of Family Physicians; a member of the Board of Directors for Mountain View Hospital in Idaho Falls; a delegate for Idaho to The American Academy of Family Physicians; the Past President of the Idaho Falls Medical Society. He is an Associate Faculty of The University of Utah School of Medicine and member of the Admissions Committee for The University of Utah School of Medicine. He also serves a member of the Voluntary Quality Review Committee for The American College of Obstetricians and Gynecologists.

John Bilezikian, MD

College of Physicians and Surgeons,Columbia University,New York, NY

BACKGROUND: Dr. Bilezikian, the Dorothy L. and Daniel H. Silberberg Professor of Medicine and Professor of Pharmacology at the College of Physicians & Surgeons, Columbia University is Chief of the Division of Endocrinology and Director of the Metabolic Bone Diseases Program at Columbia University Medical Center. Dr. Bilezikian received his undergraduate training at Harvard College and his medical training at the College of Physicians & Surgeons. He completed four years of house staff training (internship, residency and Chief Residency) on the Medical Service at Columbia Presbyterian Medical Center. Dr. Bilezikian received his training in Metabolic Bone Diseases and in Endocrinology at the NIH in the Mineral Metabolism Branch under the tutelage of Dr. Gerald Aurbach. Dr. Bilezikian belongs to a number of professional societies including the American Society for Bone and Mineral Research, of which he served as President, 1995-1996 and the International Society of Clinical Densitometry, of which he served as President, 1999-2001. He is a member of the Endocrine Society, the American Federation for Clinical Research, the American Society for Clinical Investigation, the Association of American Physicians, the American Association of Clinical Endocrinologists, the American Society for Pharmacology and Experimental Therapeutics, and the American College of Endocrinology that has designated him Master. He is Chair of the Endocrine Fellows Foundation. He served as Editor-in-Chief of the Journal of Clinical Endocrinology and Metabolism (2000-2004). His books include Editor-in-Chief of The Parathyroids (1994, 2001), and co-editor of The Aging Skeleton (1999), Dynamics of Bone and Cartilage Metabolism (1999, 2006), and Principles of Bone Biology (1996, 2002, 2008). He has been on numerous panels, including serving as Chair of the NIH Consensus Development Panel on Optimal Calcium Intake (1994) and Co-chair of the last two NIH Workshops on Primary Hyperparathyroidism (2002, 2008). He is a major national and international spokesperson for the field of metabolic bone diseases. Dr. Bilezikian's major research interests are related to the clinical investigation of metabolic bone diseases, particularly osteoporosis and primary hyperparathyroidism. He is the recipient of the Distinguished Physician Award of the Endocrine Society, the Frederic C. Bartter Award of the American Society for Bone and Mineral Research for Excellence in Clinical Research, the John P. McGovern Compleat Physician Award of the Houston Academy of Medicine, the First Annual Global Leadership Award of the International Society of Clinical Densitometry, and Lifetime Achievement Awards of the Armenian American Medical Society of California and the Armenian American Health Professionals Organization. His publications, which number over 550, speak to his active original investigative initiatives as well as his demand as an author of many reference sources of endocrinology and metabolic bone diseases.

Maria Lusia Brandi, MD

University of Florence, Florence, Italy

BACKGROUND:   Dr. Brandi took the MD Degree in 1977, the Board in Endocrinology in 1980 and the PhD Degree in Cell Biology in 1987. She is Full Professor of Endocrinology and Metabolism Diseases at the University of Florence, Florence, Italy. Her background is in molecular endocrinology applied to clinical medicine. She developed several novel cell biological models used in basic research. She is responsible for a Regional Program on Hereditary Endocrine tumors and of the Bone Metabolic Unit at the University of Florence. The Unit is active both in clinical and basic research for bone and mineral metabolic disorders. She is working in the area of genetics of osteoporosis since about ten years. Her reputation in the area of bone and mineral metabolism is well recognized nationally and internationally. She has been and is the main investigator for several major applications granted from national and international Agencies and Institutions. She was the President-elect of the Italian Society of Osteoporosis, she serves as a member of the Scientific Committee of the International Osteoporosis Foundation and she is General Secretary of ESCEO. She owns 7 patents and she published over 400 publications in peer reviewed journals and 200 chapters in books. She serves a as a member of the Journal of Bone and Mineral Research and she is the Editor-in-Chief of Clinical Cases in Mineral and Bone Metabolism.

Bart L. Clarke, MD

Mayo Clinic Rochester, Rochester, MN

BACKGROUND: Bart L. Clarke, M.D. is Consultant and Chair of the Metabolic Bone Disease Core Group in the Division of Endocrinology, Diabetes, Metabolism, and Nutrition at the Mayo Clinic, and Professor of Medicine in the Mayo Clinic College of Medicine.  After obtaining his medical degree from the University of California, Los Angeles Geffen School of Medicine in 1986, and completing his residency in internal medicine and fellowship in endocrinology and metabolism at the Mayo Graduate School of Medicine in 1992, he completed further fellowship training in bone and mineral metabolism under the guidance of Drs. Lorraine A. Fitzpatrick and B. Lawrence Riggs at the Mayo Clinic in 1992-1994.  

He was Assistant Professor of Medicine at the University of Chicago Pritzker School of Medicine from 1994-1997.  He assumed his current position at the Mayo Clinic in 1997.  His current clinical research interests include serotonin skeletal effects, postmenopausal osteoporosis, new anabolic therapies, glucocorticoid- and transplantation-induced osteoporosis, tumor-induced osteomalacia, primary hyperparathyroidism, hypoparathyroidism, and biomechanical effects on the skeleton.

He is a Council member of the American Society for Bone and Mineral Research, and a member of the Endocrine Society, American Association of Clinical Endocrinologists, and the American College of Physicians.  He is a member of the Editorial Board for the Journal of Bone and Mineral Research, served on the FDA Reproductive Health Drug Advisory Board, and is a current Chair of the Mayo Clinic Institutional Review Board.

Harald Jüppner, MD

Massachusetts General Hospital, Harvard Medical School, Boston, MA

BACKGROUND: Dr. Jüppner¹s research focuses on the regulation of mineral ion homeostasis and bone metabolism. His primary interest has been the PTH/PTHrP receptor and understanding its role in bone, kidney and cartilage biology. He is, furthermore, interested in parathyroid hormone (PTH) and fibroblast growth factor 23 (FGF23), particularly their role in patients with phosphate-wasting disorders and chronic kidney disease. In recent years, molecular genetic studies have been the main focus of his research. His laboratory identified the molecular defect of several inherited disorders, including pseudohypoparathyroidism type Ib, infantile cortical hyperostosis, and some hypophosphatemic disorders. To explore the molecular basis of these and other inherited human disorders, he has collaborated with a large number of investigators and clinicians.

Aliya Khan, MD

McMaster University, Hamilton, Ontario Canada

BACKGROUND:   Dr. Khan is a Clinical Professor of Medicine, McMaster University and  Director of the Calcium Disorders Clinic at St. Joseph’s Healthcare, McMaster University.  She graduated with honors from the University of Ottawa Medical School . She trained in Internal Medicine, Geriatrics and Endocrinology at the University of Toronto and also completed a research fellowship at the University of Toronto in metabolic bone disease.

She is the past Chair of the ISCD Certification Council and the ISCD Canadian Panel.  She has published over 100 scientific papers on osteoporosis and parathyroid disease.  She is the Editor of the Handbook of Parathyroid Diseases.  She led the development of the first Canadian standards papers on the practice of bone densitometry and parathyroid disease.  Dr. Khan co-chaired the Third International Workshop on Primary Hyperparathyroidism and also co-chaired the First International workshop on Hypoparathyroidism.  Dr. Khan is chair of the  ONJ Task force.  Dr Khan is the editorial consultant for the American College of Physicians for the hypercalcemia module and a reviewer and editorial board member for numerous medical journals. Dr. Khan has been recognized by national and international awards including the International Clinician Instructor of the Year 2011 award by the ISCD ( International Society of Clinical Densitometry).


Michael A. Levine, MD

Philadelphia Children’s Hospital, Philadelphia, PA

BACKGROUND: Dr. Levine spent 20 years at The Johns Hopkins University School of Medicine specializing in bone diseases, starting with the aging population before turning his attention to pediatrics.

Dr. Levine graduated with distinction from Hahnemann University in Philadelphia in 1976. He completed an internship and residency in internal medicine at Johns Hopkins before serving as clinical associate at the National Institutes of Health in a combined endocrinology and genetics program. He returned to Johns Hopkins in 1982 as assistant professor of medicine in the Division of Endocrinology and Metabolism, eventually heading the Division of Pediatric Endocrinology. Dr. Levine has earned numerous awards, including the recent ACE Distinction in Clinical Endocrinology Award from the American College of Endocrinology.

Michael Mannstadt, MD

Massachusetts General Hospital, Harvard Medical School, Boston, MA

BACKGROUND: Dr. Mannstadt is a clinical endocrinologist at the Massachusetts General Hospital/Harvard Medical School in Boston and his endocrine practice focuses on diseases affecting bone metabolism and mineral ion homeostasis. He is also working as physician-scientist in the laboratory, where his research is focused on studying the regulation of parathyroid hormone (PTH), the major regulator of calcium homeostasis, by the parathyroid glands. Through the identification of novel disease-causing mutations in the parathyroid-specific transcription factor GCMB in patients with hypoparathyroidism, he and his colleagues have identified new tools to study further parathyroid gland development and function.

John T. Potts, Jr.

Neuroendocrine Clinical Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA

BACKGROUND: Dr. John T. Potts is the Distinguished Jackson Professor of Clinical Medicine at the Massachusetts General Hospital (MGH) and Harvard Medical School. After medical training at the University of Pennsylvania, he did his internship and residency at the MGH from 1957 to 1959, and then went to the National Institutes of Health (NIH) to work with Nobel Laureate Christian Anfinsen in protein chemistry. Dr. Potts remained at the NIH from 1959 to 1968, when he returned to the MGH as Chief of the Endocrine Unit. He served as Chairman of the Department of Medicine and Physician-in-Chief from 1981 to 1996, and as Director of Research from 1995 to 2004. In his role as Director of Research, Dr. Potts was responsible for developing policies and strategies for preserving and strengthening the extensive scientific research effort at the MGH, an endeavor which he continues to the present. The author or co-author of over 500 scientific publications, Dr. Potts' accomplishments have been recognized with a series of honors, including the Fred Conrad Koch Award of the Endocrine Society, as well as election to the National Academy of Sciences, the Institute of Medicine, and the American Academy of Arts and Sciences. He holds active and honorary memberships in numerous scientific and professional organizations.

Daniel Ruan, MD

Brigham and Women's Hospital/Harvard Medical School, Boston, MA

BACKGROUND: Daniel Ruan, MD is a surgeon-scientist committed to the development of novel therapies for patients with endocrine tumors.  He is a graduate  of Duke Medical School and he completed his Surgery Residency at the  Brigham and Women's Hospital/Harvard Medical School.  Dr. Ruan then  completed his Clinical Fellowship in Endocrine and Oncologic Surgery at the University of California San Francisco.  In addition to his translational research activities, Dr. Ruan has participated in several clinical research studies involving the surgical management of parathyroid diseases. 

Dr. Ruan has taught and mentored students, residents and fellows who are destined to be endocrinology and endocrine surgical specialists.  Dr. Ruan is an Instructor in Surgery at Harvard Medical School and is an Associate Surgeon at Brigham and Women's Hospital in Boston, MA. He is committed to novel surgical approaches to improve outcomes in endocrine surgery.

Mishaela Rubin, MD

College of Physicians and Surgeons Columbia University, New York, NY

BACKGROUND: Dr. Mishaela Rubin graduated from Columbia University College of Physicians & Surgeons in 1995. She completed her medical training and endocrinology fellowship in 1998 and 2003, respectively, at Columbia University. She also completed a Masters in Biostatistics at Columbia University. Her specialty is in Metabolic Bone Diseases. Specifically, her research is focused on hypoparathyroidism and PTH treatment. She is funded by two NIH grants to study different aspects of hypoparathyroidism.

Dolores Shoback, MD

University of California – San Francisco VA Medical Ctr., San Francisco, CA

BACKGROUND:  Dr. Dolores Shoback is Professor of Medicine at the University of California, San Francisco and is the Associate Program Director of the UCSF Fellowship Training Program in Diabetes, Endocrinology and Metabolism.  She is a Staff Endocrinologist at the San Francisco Department of Veterans Affairs Medical Center.  She is engaged in basic research on mechanisms underlying the regulation of parathyroid hormone secretion and on the role of calcium-sensing receptors in the control of bone cell and chondrocyte differentiation and parathyroid hormone secretion.  She was involved in 4 multicenter clinical trials testing the efficacy and safety of the calcimimetic cinacalcet in the treatment of patients with primary hyperparathyroidism and parathyroid cancer and in clinical trials on the use of parathyroid hormone (PTH 1-84) in the treatment of refractory hypoparathyroidism.  Her clinical work involves all areas of endocrinology with special interest in metabolic bone and parathyroid disorders and the diagnosis and management of osteoporosis.  She has served on NIH/NIDDK Study Sections, as Associate Editor of the Journal of Clinical Endocrinology and Metabolism (2004-2010).  She is co-editor of the 8th (2007) and 9th editions (2011) of the textbook Basic and Clinical Endocrinology for the Lange Publications.  She has co-authored over 100 papers, reviews and editorials. She has served the Endocrine Society as Program Chair of the Postgraduate Assembly (1990) and Director of the Clinical Endocrinology Updates (1994-97) and as a member of the Scientific and Educational Programs (1994-97), Broadcast Steering (1992), Development (1997-00), Special Programs (2000 to 2005), and Meetings and Educational Programs (2001-05), Annual Meeting Steering (2006-09), and Publications (2010) Committees.  She chaired the Special Programs Committee (2001-05), served as the Clinical Science and Practice Chair for the 2008 and overall Chair for the 2009 Annual Meetings of the Endocrine Society.  She was the Co-Chair in charge of clinical programming for the 2010 Annual Meeting of the American Society for Bone and Mineral Research in Toronto, Canada.  She served as a Councilor for the Association of Program Directors in Diabetes, Endocrinology and Metabolism (2001-03), the American Society for Bone and Mineral Research (1998-2001), and is currently a Councilor for the Endocrine Society (2010-2013).  Her research has been funded by the Research Service of the Department of Veteran Affairs and the NIH.  She has received Research Associate and Clinical Investigator Career Development Awards from the Department of Veterans Affairs

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