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Faculty and Staff

Division of Endocrinology, Diabetes and Metabolism
Joana Almaca

Joana Almaça, Ph.D.

Associate Professor

Biography: Research ongoing in the Almaça’s lab focuses on understanding the role of the microvasculature in the biology of pancreatic islets. Islets are clusters of endocrine cells, scattered throughout the exocrine pancreas, which produce and secrete different hormones into the blood stream in response to changes in glucose levels. To function properly, islets need their microvasculature....
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Ruy Andrade Louzada Neto

Ruy Andrade Louzada Neto, Ph.D.

Research Assistant Professor

Biography: Dr. Ruy Andrade Louzada Neto is a Research Assistant Professor in the Division of Endocrinology, Diabetes & Metabolism at the University of Miami Miller School of Medicine. He has extensive experience in intracellular signaling and redox biology. His current research focuses on how NADPH oxidases, particularly DUOX1 and DUOX2, regulate pancreatic adaptation to stress,...
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David Baidal

David Baidal, M.D.

Assistant Professor of Clinical Medicine
Clinical Profile
Biography: Dr. Baidal completed Internal Medicine Residency at Jackson Memorial Hospital, University of Miami in 2012. This was followed by a clinical and research fellowship in Endocrinology, Diabetes and Metabolism at BIDMC, Harvard Medical School, in 2015. After completion of his fellowship training, he returned to the Diabetes Research Institute, University of Miami. In his current...
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Rene Barro

Rene Barro-Soria, Ph.D.

Assistant Profesor
Publications
Biography: Rene Barro-Soria received his Ph.D. degree from the University of Regensburg, Germany, where he worked on identifying the molecular entity of the Ca2+activated Cl channel in epithelia. Thereafter, he studied chemosensory transduction in taste buds and ion channel function in the retina and cerebellum. In 2011, he joined the lab of Dr. H. Peter Larsson to study conformational...
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Ernesto Bernal-Mizrachi

Ernesto Bernal-Mizrachi, M.D.

Professor
Clinical Profile | Publications
Biography: His research over the last 15 years has focused on the regulation of pancreatic beta cell mass and function, with a particular interest in Akt and mTOR signaling pathways in beta cell proliferation. His laboratory has made major contributions to our understanding of signaling pathways that regulate beta cell expansion and survival. The long term goal of these signaling...
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Manuel Blandino

Manuel Blandino Rosano, Ph.D.

Research Assistant Professor

Biography: Dr. Manuel Blandino Rosano received dual Bachelor of Science degrees in Biology (2002) and Biochemistry (2003) from the University of Seville, followed by a Master’s in Teaching (2004). He earned his Ph.D. in Physiology from the University of Cádiz in 2009, where he studied the effects of pro-inflammatory cytokines on pancreatic ß-cell proliferation and survival...
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Carlos E. Blaschke

Carlos E. Blaschke, M.D.

Research Assistant Professor

Biography: Dr. Carlos Blaschke is a Research Assistant Professor in the Division of Endocrinology, Diabetes & Metabolism at the University of Miami Miller School of Medicine and the Director of Clinical Research at the Diabetes Research Institute (DRI). His academic and professional journey has been devoted as a researcher in type 1 diabetes (T1D) through innovative, interdisciplinary...
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Diego Caicedo Vierkant

Alejandro Caicedo-Vierkant, Ph.D.

Professor
Publications
Biography: During his training years in Germany and France Dr. Caicedo focused his research on the neuroanatomy of the auditory system at the brainstem level and inner ear. His main contribution to the field was to map the connections between the inferior colliculus and lower nuclei of the auditory brainstem using anterograde axonal tracing. During his postdoctoral training with...
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Ayse Canturk, M.D.

Ayse A. Canturk, M.D.

Assistant Professor of Clinical Medicine

Biography: Dr. Ayse A. Canturk is a board-certified Assistant Professor of Clinical Medicine at the University of Miami and Jackson Memorial Hospital.
She obtained her medical degree from Kocaeli University School of Medicine in Turkey and engaged in various public and global health projects. During her medical school education in Turkey, she received a scholarship from...
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Natalie Chamorro

Natalia Chamorro

Assistant Professor of Clinical Medicine
Publications
Biography: Dr. Natalia Chamorro is an Assistant Professor of Clinical Medicine in the Division of Endocrinology, Diabetes, and Metabolism at the University of Miami Miller School of Medicine. She completed her residency in Internal Medicine at Jacobi Medical Center/Albert Einstein College of Medicine in the Bronx, NY, followed by fellowship training in Endocrinology at Massachusetts...
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Rodolfo Galindo

Rodolfo J. Galindo, M.D.

Associate Professor of Clinical Medicine
Publications
Biography: Dr. Rodolfo J. Galindo graduated from the Institute of Medical Sciences at the University of Havana in 2005. Dr. Galindo completed his Internal Medicine residency and Endocrinology fellowship at the Albert Einstein College of Medicine, and North Shore University Hospital, in New York. After completing his fellowship, Dr. Galindo joined the faculty, as an Assistant Professor,...
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Zeina Hannoush, M.D.

Zeina C. Hannoush, M.D.

Associate Professor of Clinical Medicine
Clinical Profile
Biography: Dr. Zeina Carolina Hannoush is an Associate Professor of Clinical Medicine at the University of Miami. She earned her medical degree from Universidad Central de Venezuela, followed by residency in Internal Medicine and a fellowship in Endocrinology at the University of Miami/Jackson Memorial Hospital, where she was honored with the Professionalism and Outstanding Fellow...
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 Khemraj Hirani

Khemraj Hirani, Ph.D., RPH, CCRP, CIP, RAC, MBA

Research Assistant Professor

Biography: Dr. Raj Hirani is an accomplished pharmacist-scientist and a key academic leader at the University of Miami, where he holds the position of Associate Vice Chair for Research and Regulatory Compliance in the Department of Medicine. His role at the University of Miami extends to serving as Deputy Director and Chief Regulatory and Operating Officer at the Diabetes Research...
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dirk homann

Dirk Homann, M.D.

Professor, Pending Rank

Biography: Dr. Dirk Homann is a physician and immunologist/virologist trained in Berlin, Boston, Paris, and La Jolla. He started his independent career at the University of Colorado, moved to Mount Sinai in New York in 2014 where he became a tenured Professor in 2019, and recently joined the DRI. Dr. Homann’s work focuses on T cell immunity in autoimmune and infectious diseases,...
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Gianluca Iacobellis, M.D., Ph.D.

Gianluca Iacobellis, M.D., Ph.D.

Professor
Clinical Profile | Publications
Biography: A native of Rome, Italy, Prof Iacobellis received his MD degree cum laude in 1994 from the University of Roma, La Sapienza; he was a Research Fellow at the Centrum for Metabolism & Endocrinology, Karolinska University, Stockholm, Sweden in 1999; he became Specialist in Endocrinology in 2000 and obtained his PhD in Endocrinology, Metabolic and Cardiovascular Disorders...
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Mark Jara

Mark Jara, M.D.

Assistant Professor of Clinical Medicine
Clinical Profile
Biography: Dr. Mark Anthony Jara is an endocrinologist based in Miami, FL. He graduated from the Universidad Nacional De Asuncion Facultad de Ciencias Medicas medical school and completed his residency in internal medicine at the University of Buffalo. He then pursued a fellowship in endocrinology, diabetes, and metabolism at the University of Miami Johnson Medical School. Dr. Jara...
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Violet Lagari

Violet Lagari-Libhaber, D.O.

Associate Professor of Clinical Medicine
Clinical Profile
Biography: Dr. Lagari is Associate Professor of Clinical Medicine in the Division of Endocrinology, Diabetes, and Metabolism at the University of Miami School of Medicine. She is also Associate Program Director of the Endocrinology Fellowship Program. Her clinical and research interests are in the area of metabolic bone diseases, and she has published numerous manuscripts in these...
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Jason Levine

Jason E. Levine, D.P.M.

Assistant Professor of Clinical Medicine
Clinical Profile
Biography: Dr. Levine acquired his medical training from the Barry University School of Podiatric Medicine and his undergraduate degree from the University of Tampa. Upon his graduation he was chosen to be a research fellow focusing largely on the diabetic lower extremity and limb salvage. Dr. Levine completed his residency in foot and ankle surgery at the Miami Veteran Affairs...
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Armando Mendez

Armando Mendez, Ph.D.

Research Associate Professor
Publications
Biography: Dr. Mendez’s research interests lie in lipid metabolism and lipoprotein abnormalities that lead to cardiovascular disease (CVD) and that occur as a consequence of cardiometabolic disorders including diabetes. His studies initially focused on cellular lipid transport with emphasis on reverse cholesterol transport and the intracellular trafficking of cholesterol from sites...
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Rahul Mittal

Rahul Mittal, Ph.D.

Research Associate Professor

Biography: Dr. Mittal earned his M.Sc. and Ph.D. in Microbiology from Panjab University, India, followed by postdoctoral training in infectious diseases and immunology. He later completed a Master’s degree in Clinical and Translational Science at the University of Miami. He currently holds the position of Research Assistant Professor at the University of Miami Miller School of Medicine...
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Joana Lemos

Joana Lemos, Ph.D.

Research Assistant Professor
Publications
Biography: Dr. Joana R. N. Lemos is a distinguished clinical researcher and academic leader at the University of Miami’s Diabetes Research Institute (DRI). As Associate Director of Scientific Communications and Data Analytics, she plays a critical role in shaping scientific narratives, facilitating interdisciplinary collaborations, and advancing translational research efforts focused...
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Ricardo Pastori, M.D.

Ricardo Pastori, Ph.D.

Research Professor
Publications
Biography: I am Research Professor (Department of Medicine) and the director of the Molecular Biology laboratory at the Diabetes Research Institute (DRI), Miller School of Medicine, University of Miami. My overall research interests focus on the development of translational molecular strategies for the advancement in type 1 diabetes treatment, including regenerative approaches for...
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Joao Saar Werneck De Castro

Joao Saar Werneck De Castro, Ph.D.

Research Assistant Professor

Biography: Dr. Joao Pedro Saar Werneck de Castro received his Ph.D. in Exercise Physiology from the Federal University of Rio de Janeiro in Brazil, where he also completed his undergraduate studies in Physical Education. He is currently an Assistant Professor in the Division of Endocrinology, Diabetes & Metabolism at the University of Miami Miller School of Medicine.

His...
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Jay Skyler

Jay S. Skyler, M.D.

Professor

Biography: Jay S. Skyler, MD, MACP is currently a Professor of Medicine, Pediatrics, & Psychology, in the Division of Endocrinology Diabetes & Metabolism, Department of Medicine, University of Miami Leonard M. Miller School of Medicine, Miami, Florida. He served as Director of that Division from 2000 to 2004. He is Deputy Director for Clinical Research and Academic Programs...
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Diana Soliman

Diana Soliman, M.D., MHS

Assistant Professor of Clinical Medicine

Biography: Diana Soliman, MD, MHS is an Assistant Clinical Professor in the Division of Endocrinology at the University of Miami Miller School of Medicine. She completed her medical degree, Med-Peds residency, and chief residency at the University of Miami, followed by fellowship and a T32 research fellowship at Duke University, where she also earned a Master of Health Sciences in...
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Jay Sosenko

Jay M. Sosenko, M.D.

Professor

Biography: Dr. Sosenko has treated patients with diabetes across a wide age range at the Diabetes Research Institute. However, his patient care has mainly been directed toward working with adolescents as they transition into being young adults.

He has had several administrative duties at the medical school. He was the Chair of the institutional review board at...
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Ron Varghese, M.D.

Ron T. Varghese, M.D.

Assistant Professor of Clinical Medicine
Publications
Biography: Ron Varghese is a clinician – investigator and endocrinologist with interest in obesity, sleep disorders and metabolism. He is an Assistant Professor in Endocrinology at the University of Miami Miller School of Medicine. He has a keen interest in building a clinical and research career in Diabetes and Obesity Medicine; and in the treatment and management of complications...
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Roy E. Weiss, M.D., Ph.D., FACP, FAAP, FACE

Roy E. Weiss, M.D., Ph.D., FACP, FAAP, FACE

Professor & Chair, Department of Medicine
Clinical Profile
Biography: Dr. Roy Weiss is the Chairman of the Department of Medicine and the Kathleen and Stanley Glaser Distinguished Chair in Medicine at the University of Miami Miller School of Medicine. He is also the Rabbi Morris I. Esformes Endowed Professor. As Chairman of the Department of Medicine (DOM) he is responsible for the research and scholarly activity and clinical enterprise...
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Tamara de Souza, M.D.

Tamara de Souza, M.D.

Assistant Professor of Clinical Medicine

Biography: Dr. Tamara De Souza received her medical degree from The University of the West Indies. She completed residency at the University of Miami/Jackson Memorial Hospital and is completing her Endocrinology fellowship (Research Track, 2022–2025) at the University of Miami/Jackson Memorial Hospital.
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Staff Physicians

Ashley Engel

Ashley Engel, M.D.

Staff Physician/Voluntary Faculty
Biography: Dr. Ashley Engel is board certified in internal medicine and endocrinology, diabetes, and metabolism. She received her medical degree from the Medical College of Wisconsin, where she also completed her residency and a fellowship in endocrinology.
Bresta Miranda

Bresta Miranda, M.D.

Staff Physician/Voluntary Faculty
Biography: Dr. Bresta Miranda is board certified in internal medicine and endocrinology, diabetes, and metabolism. She received her medical degree from the University of Panama. She completed her residency in internal medicine and a fellowship in endocrinology at the University of Miami/Jackson Memorial Hospital.
Julio Pita

Julio Pita, M.D.

Staff Physician
Biography: Dr. Julio Pita received his medical degree from the Washington University School of Medicine. He completed his residency in internal medicine at Jackson Memorial Hospital and a fellowship in endocrinology, diabetes, and metabolism at the National Institutes of Health.
Nicholas Reyes

Nicholas Reyes, M.D.

Staff Physician
Biography: Nicolas Reyes received his medical degree at Florida International University Herbert Wertheim College of Medicine. He then completed his Internal Medicine Residency at HCA Florida Blake Hospital in Bradenton, FL, followed by his fellowship in Endocrinology and Metabolism at the University of Virginia in Charlottesville, VA.

Anu T.

Anu Thekkumkattil, M.D.

Staff Physician
BiographyDr. Anu Thekkumkattil is board certified in internal medicine and endocrinology, diabetes, and metabolism. She received her medical degree from the University of Miami Miller School of Medicine, where she also completed her residency in internal medicine and a fellowship in endocrinology, diabetes, and metabolism.
Carmen Villabona

Carmen Villabona, M.D.

Staff Physician/Voluntary Faculty
Biography: Carmen V. Villabona, M.D. is a board-certified endocrinologist. She graduated from the Facultad de Medicina at the Universidad de Salamanca in Spain, completed residency at John H. Stroger Hospital of Cook County in Chicago, and pursued fellowship training in endocrinology at Rush University Medical Center. Her current research focuses on the Pituitary Tumor Registry Database at Sylvester Cancer Center, advancing knowledge in pituitary disease management.

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Maria Yanez-Bello, M.D.

Staff Physician/Voluntary Faculty
Biography: Dr. Maria Yanez-Bello is board certified in internal medicine and endocrinology, diabetes, and metabolism. She received her medical degree from Universidad de Carabobo Facultad de Ciencias de la Salud. She completed her residency in internal medicine at AMITA Health Saint Francis Hospital, and a fellowship in endocrinology at University of Miami/Jackson Memorial Hospital.

Voluntary Faculty

Alejandro Ayala, M.D.

Voluntary Faculty

Sabina Casula, M.D.

Voluntary Faculty

Tengjiao Cui, M.D.

Voluntary Faculty

Emeritus Faculty

Rodolfo Alejandro, M.D.

Professor

Alberto Pugliese, M.D.

Professor