Type 1 Diabetes Team

Welcome to the Yale Children's Diabetes Program. Below, you can meet our Doctors, Clinical Staff, Researchers, and Fellows. We look forward to meeting you!

William Tamborlane, MD

William Tamborlane, MD, is Professor and Chief of Pediatric Endocrinology at Yale University School of Medicine, as well as Deputy Program Director of the Yale General Clinical Research Center. Dr. Tamborlane is a graduate of Georgetown University School of Medicine, where he completed his residency in pediatrics before going to Yale as a post-doctoral fellow in endocrinology and metabolism in both pediatrics and medicine. He is the recipient of many awards and honors, including the 2006 JDRF Mary Tyler Moore and S. Robert Levine, M.D. Excellence in Clinical Research Award. He is frequently listed in publications of distinction, including American Men and Women of Science, Who's Who in America, The Best Doctors in America, America's Top Doctors and America's Top Pediatricians. He is a former member of the U.S. Food and Drug Administration's Endocrine Advisory Board and the National Board of Directors of the American Diabetes Association and is a current member of the Clinical Advisory Board of the JDRF and Diabetes Advisory Boards of several companies.

He has published more than 400 original articles, book chapters and reviews in the area of diabetes and metabolic disorders and was the Editor-in-Chief of the Yale Guide to Children's Nutrition, published by Yale University Press in 1997. The focus of Dr. Tamborlane's research has been to advance the treatment of diabetes through patient-oriented research. Major accomplishments have included pioneering studies in the development of insulin-pump therapy, direction of the Yale Center in the DCCT/EDIC study, investigations of diabetes-induced defects in counter-regulatory hormone responses to hypoglycemia, and demonstration of the role of insulin resistance in pediatric metabolic disorders, including obesity and type 2 diabetes. He has served as a consultant to the pharmaceutical industry in the development of clinical trials of new drugs and new devices for the treatment of diabetes.

Current research effort is directed at applying recent advances in insulin pump and glucose sensor technology towards the development of an artificial pancreas. He leads a multidisciplinary team of physicians, advanced practice nurses/CDEs, a physician assistant, a social worker and psychologist, and nutritionists that care for nearly 900 children, adolescents and young adults with type 1 and type 2 diabetes. 

Fun Fact: Dr. Tamborlane is the father of one of the top women's marathoners in the US.

Stuart Weinzimer, MD

Stuart Weinzimer, MD, is an Associate Professor of Pediatrics at the Yale University School of Medicine and Director of the Pediatric Endocrinology Fellowship Training Program. He earned his bachelor's degree in molecular biochemistry and biochemistry at Yale University, his medical degree at the Albert Einstein College of Medicine, and completed his pediatric residency and pediatric endocrinology fellowship at the Children's Hospital of Philadelphia (CHOP). He stayed on as a faculty member in the Department of Pediatrics at the University of Pennsylvania, where he initiated the use of continuous glucose sensors in the CHOP Diabetes Center for Children and also helped to develop the Pediatric Type 2 Diabetes Program. Dr. Weinzimer returned to Yale in 2002 to focus his research on the applicability of technology, especially continuous glucose sensors and insulin pumps, to the development of automated insulin delivery (artificial pancreas) for children with type 1 diabetes.

In 2008 he published the first study of a closed-loop artificial pancreas in children with diabetes. He is currently the Principal Investigator for several NIH- and JDRF-funded studies of the artificial pancreas and the head of the Yale collaboration in the Diabetes Research in Children Network. Recent awards include Yale's Mae Gailani Faculty Award for outstanding research and clinical care, a JDRF Dream Award along with Drs. William Tamborlane and Robert Sherwin for work on the artificial pancreas, and a JDRF Mary Tyler Moore and S. Robert Levine, M.D. Excellence in Clinical Research Award, along with Dr. Tamborlane and other members of the JDRF Continuous Glucose Monitoring Study Group. He has published over 100 journal articles, reviews, and book chapters, and is a consultant for several medical device companies.

Fun Fact: Dr. Weinzimer plays the piano and guitar and also enjoys ballroom dancing. Once we cure diabetes he will devote himself full-time to his musical career.

Sonia Caprio, MD

Dr. Caprio is Professor of Pediatrics (Endocrinology) at the Yale University School of Medicine and an internationally recognized authority on patient-oriented research in childhood obesity. Her work uses sophisticated but relatively non-invasive techniques to evaluate novel clinical observations and pathophysiological questions across all age groups. She is the Principal Investigator on three RO1 grants to study obesity and type 2 diabetes in youth. She has earned a Distinguished Clinical Scientist Award from the American Diabetes Association and helda K24 Award for patient-oriented research for two cycles. Since 2002, she has been part of a NIDDK-sponsored multi-center trial for the treatment of Type 2 diabetes in youth. In 2003 she received the Bayer Scholar Award for Research in Diabetes. She is a member of the NIDDK Study Section of Diabetes, Endocrinology and Metabolic Diseases B Subcommittee and the FDA Advisory Endocrinology and Metabolism Committee, and an ad hoc member of the IPOD NIDDK Study Section. Dr. Caprio has served as a mentor to more than 10 individuals, many of whom have gone on to be NIH-funded researchers. She is currently a named mentor for one trainee who has a K23 award. She has pioneered work on insulin resistance, fatty liver disease and the metabolic syndrome in obese youth and has recently entered the field of brain imaging with a new protocol looking at neural functioning of feeding centers in obese youth.

Eda Cengiz, MD

Eda Cengiz, MD, is an assistant professor at the Yale University School of Medicine. She received her medical degree from Hacettepe University Medical School in Ankara, Turkey. Her pediatric internship was at Cook County Children's Hospital, Rush University Hospital in Chicago and her pediatric residency was at Levine Children's Hospital,, Carolinas Medical Center in Charlotte, North Carolina. Dr. Cengiz's pediatric endocrinology fellowship was completed at W. Alpert Medical School at Brown University where she was the coordinator of the Hasbro Diabetes Electronic Portal and where she was honored with the Dean's Excellence in Teaching Award. Dr. Cengiz joined the Yale staff in 2007 and in addition to seeing patients, she is pursuing research in the condition including investigating the action of new insulin formulations, as well as the action of devices to improve insulin action and the application of these to the artificial pancreas project. Dr. Cengiz received the Clinical & Translational Research Scholars Abstract Award for ACRT/AFMR/SCTS in 2011. She is the principal investigator for various clinical research studies funded by the JDRF and non-profit foundations and is the co-editor for Journal of Pediatric Sciences. Dr. Cengiz has been serving as a member of the "Type 1 Diabetes Aware Project" (organized by the Juvenile Diabetes Association International) for the past three years.

Fun Fact: Dr. Cengiz is a high-tech gadget aficionado and an avid Mozart listener.

Jennifer Sherr MD, PhD

Jennifer Sherr MD, PhD has followed a career path shaped by her diagnosis with type 1 diabetes in July of 1987. Upon her diagnosis, Jennifer frequently told friends and family she would be a pediatric endocrinologist (once she could figure out how to spell it!). She graduated from a joint BA/MD program through Rutgers University and the University of Medicine and Dentistry of New Jersey Robert Wood Johnson Medical School. Jennifer came to Yale for her pediatric residency training in June of 2003 and given Yale's international reputation for excellence in diabetes care she continued on here for her fellowship in Pediatric Endocrinology. During her fellowship, Jennifer was accepted into the Investigative Medicine Program, a PhD program specifically designed for physicians interested in pursuing research endeavors. She graduated with her PhD in July of 2011 and has since joined our faculty as an Instructor of Pediatrics. Jennifer's research interests include studying the body's response to low blood sugars, continuous glucose monitors,  b-cell preservation studies, and closed loop studies.

Fun Fact: Dr. Jen believes that laughter is the best medicine (next to insulin) and figures once diabetes is cured she will start her comedy career!

Ania M. Jastreboff, MD, PhD

Ania M. Jastreboff, M.D., Ph.D., is an instructor at Yale University in both the Department of Internal Medicine, Section of Endocrinology and the Department Pediatrics, Section of Pediatric Endocrinology. Dr. Jastreboff completed her undergraduate degree at Bucknell University where she studied Art History. She earned her medical degree at the University of Maryland School of Medicine where she subsequently completed a four year residency program in Internal Medicine and General Pediatrics and served as chief resident. Dr. Jastreboff then came to Yale University where she completed a postdoctoral fellowship in both Pediatric Endocrinology and Adult Endocrinology. During her fellowship, Dr. Jastreboff earned a PhD from the Yale University Graduate School of Arts and Sciences, successfully defending her dissertation this fall. At present, Dr. Jastreboff continues conducting neuroimaging studies utilizing functional MRI (fMRI) to investigate neural responses to food cues and stress in obese, insulin resistant individuals. Clinically, Dr. Jastreboff is helping to establish The Yale Bridge Clinic, a comprehensive clinical program designed with the goal of empowering emerging adults as they transition their care from pediatric to adult diabetes-care providers. To learn more about The Yale Bridge Clinic, please visit our website: [insert link]

Fun Fact: Ania enjoys running half-marathons & 10-milers as well as participating in sprint-Triathlons. During her undergraduate studies, Ania majored in Art History with a minor in music and lived in Vienna, Austria.

Jodie M. Ambrosino, PhD

Jodie M. Ambrosino, PhD, received her bachelor's degree in psychology from Fairfield University and her doctoral degree in clinical health psychology from Ferkauf Graduate School of Psychology at Yeshiva University. She completed her early clinical training at Children's Hospital of Philadelphia and A.I. DuPont Hospital for Children. In her dissertation she studied how children and parents cope with a child's kidney disease, focusing on the life threat with which it presents and the distress that may develop. In September 2002, she joined Yale University for her postdoctoral training and was recently appointed as associate research scientist at Yale University School of Medicine. She is focusing her clinical research on developing mental health screening programs for earlier detection of psychosocial difficulties that can complicate diabetes management, and she provides counseling for children and their families when more intensive support might be needed to sustain diabetes management.

Fun Fact: Jodie loves to cook and try new foods, especially when she can bring them from the farm to the table.

Cindy Guandalini, MSN, APRN, BC, CDE

Cindy Guandalini, MSN, APRN, BC, CDE, received her BSN degree from Salve Regina College and her MSN as a Pediatric Clinical Nurse Specialist from Yale University. She has provided care of children at Yale for over 25 years. The last 10 years have been spent with the Children's Diabetes Program. Cindy is currently the clinical coordinator for the Type 2 diabetes program and the study coordinator for the TODAY –Treatment Options for Youth and Adolescents with Type 2 Diabetes study which is looking at ways to improve the care of children with Type 2 diabetes. She is board certified as a Pediatric Clinical Nurse Specialist and is a Certified Diabetes Educator.

Patricia Gatcomb, MSN, APRN, BC-ADM

Patricia Gatcomb, MSN, APRN, BC-ADM, received her BSN degree from Salve Regina College and her Family Nurse Practitioner MSN degree from Southern Connecticut State University. Ms. Gatcomb has provided care for children and young adults with diabetes in both clinical and research settings for over twenty-five years. She was a clinical research nurse for the Diabetes Control and Complications Trial (DCCT) and presently serves as study coordinator for the EDIC Study (Epidemiology of Diabetes Interventions and Complications Study), the follow-up study to the DCCT. Ms. Gatcomb is a diabetes research coordinator and nurse practitioner for the Yale Children's Diabetes Program. She is board certified in Advanced Diabetes Management. 

Fun Fact: Patty is proud to have been a part of the DCCT Study, which improved the treatment of diabetes for all, but is most proud of her sons, Jim and Chris. And of course, her favorite "son," a black lab named "Marsh."

Paulina Rose, RD, CDE

Paulina Rose, RD, CDE, earned her degree in Nutrition from Marymount College and completed her dietetic internship at Danbury Hospital. Prior to coming to Yale, she taught diabetes education and nutrition to adults and adolescents in a community health center. Ms. Rose joined the Yale Children's Diabetes Program in 2000. She provides nutrition education to newly diagnosed children and their families as well as on-going nutrition support. She also conducts research as part of the TODAY study team. TODAY is a multi-center trial looking into the best treatment options for children and adolescents with type 2 diabetes. Ms. Rose is also a certified pump trainer.

Fun Fact: Paulina grew up in Nicaragua, and not only speaks Spanish, but speaks the most delightful Spanglish as well as English. She spends much of her free time cruising the world on her motorcycle.

Kristin Sikes, MSN, APRN, CDE

Kristin Sikes, MSN, APRN, CDE, earned both her bachelors and masters degrees in Nursing from the University of Pennsylvania. She has been involved with pediatric nursing for many years and was a nurse practitioner for a very busy pediatric diabetes/endocrine practice prior to joining the Yale Children's Diabetes Program. Ms. Sikes manages the type 1 diabetes clinic which provides diabetes management and care to nearly 1,000 children and adolescents. She coordinates with other members of the diabetes team to provide a multi-disciplinary focus to patient care. Day-to-day management tasks include communicating with patients, their families, other health care providers and school nurses regarding the care of patients seen by the program. She is also the clinical liaison for pediatric diabetes at Yale New Haven Hospital. Ms. Sikes has been at Yale for several years and prior to managing the clinic; she was a research coordinator for several research trials. Ms. Sikes has published several articles regarding diabetes management in children and adolescents. She has presented many lectures to students, school nurses, parents and other health professionals. She also serves as a preceptor for graduate nursing students through the Yale School of Nursing. 

Fun Fact: Kristin once worked as a support staff member for the US Customs drug interdiction force – now she spends her time chasing children and Labradors.

Eileen Tichy MMSc PA-C, RD

Eileen Tichy MMSc PA-C, RD, received a BS from Illinois Benedictine College and completed a dietetic internship at Hines VA in Chicago, Illinois. She worked as pediatric dietitian at the University of Chicago's Children's Hospital prior to becoming a Physician Associate through the program at Yale University School of Medicine. After graduation, Eileen worked in general pediatrics and in the neonatal intensive care unit at Yale New Haven Hospital, where she developed the program to educate medical staff about infant nutrition. Eileen joined type 1 diabetes research team in 2011 and is focusing on insulin action as well as diabetes management in the newly diagnosed patient.

Fun Fact: In addition to managing a household that includes 2 children and 2 dogs, Eileen fosters labrador retrievers while the dogs await placements in loving homes.

Andrea Dann Urban, MSN, APRN, CDE

Andrea Dann Urban, MSN, APRN, CDE, is a graduate of Albright College and received her master's degree from the University of Pennsylvania School of Nursing. She began working in the area of endocrinology and diabetes in 1993 at The Children's Hospital of Philadelphia, where she held both clinical and research positions. Since joining the staff at The Yale Children's Diabetes Program in 2001, she has coordinated research studies using coping skills training models in children and parents with T1D and is currently a nurse practitioner in the Yale Children's Diabetes Program where she provides care to children with T1D. Ms. Urban has published articles in the areas of coping skills training, depression in children with type 1 diabetes and in the area of type 2 diabetes.

Fun Fact: When not at work, Andrea can be found on the soccer field as she is the manager for her son's travel soccer team.

Kate Weyman, MSN, APRN, CDE

Kate Weyman, MSN, APRN, CDE, received her BSN degree from the University of Vermont and her master's in nursing from Yale University. Ms. Weyman has provided care as a Family Nurse Practitioner to children and adults in the primary care setting and worked in adolescent and adult endocrine before joining the Yale Pediatric Diabetes program in 2009. She has held a courtesy faculty appointment and been a lecturer for the Yale School of Nursing since 2006. Ms. Weyman is currently a clinical coordinator for the Yale Children's Diabetes Research Program and a Nurse Practitioner for the Yale Children's Diabetes Program.

Fun Fact: Kate grew up on a farm in Vermont and likes traveling, cooking and outdoor activities.

Lori Carria, MS

Lori Carria, MS is a Clinical Research Associate. She received her BS in microbiology from University of Rhode Island and her MS in genetics from the University of Connecticut. She coordinates clinical trials that primarily focus on the artificial pancreas research and treatment for newly diagnosed patients.

Fun Fact: Lori has won Best in Show at the Durham Fair for her jalapeño jam.

Amy Steffen, RN, BSN

Amy Steffen is a graduate of Boston College. She is a Research Coordinator with the Yale Children's Diabetes Research Program. Her projects focus on the study of continuous glucose monitoring (CGM) use, early neurocognitive impact of hyper- and hypoglycemia, and early use of technology in children with type 1 diabetes. She has been involved in the publication and dissemination of the Yale Continuous Monitoring Guide.

Fun Fact: Amy is a running addict and completed an ultra marathon (50 miles) this year.

Melinda Zgorski, RN,BSN

Melinda Zgorski, RN, BSN received her BSN from the University of Connecticut. When she was diagnosed with type 1 DM at 7, she liked her diabetes educator so much that she decided that her work as an adult would focus on diabetes. Melinda has spent a large part of her career working in diabetes research. She worked at Yale New Haven Hospital as a research nurse for 7 years where she took care of many of the subjects participating in the first artificial pancreas studies. As a research nurse at the Yale Children's Diabetes Research Program for the past 2 years, she has worked directly with our team, contributing her expertise in type 1 research to the many projects we have initiated.

Fun Fact: Melinda is a dedicated UConn basketball fan. She can be found at UConn games cheering with her husband and chasing the UConn Husky with her kids.

Meet Our Fellows

Neha Patel, D.O.

Hometown: Richmond, VA 
Virginia Commonwealth University – B.S. Biology, Chemistry minor - 2005
Medical School:
Edward Via College of Osteopathic Medicine – D.O. 2009
Residency: Pediatrics - Children’s Hospital of Richmond (VCU) - 2012
Board Certifications: Pediatrics 
Research/Clinical Interests:
Artificial pancreas and new technologies in type 1 diabetes 
Hobbies/Family: I love being outdoors! I enjoy going on hikes and biking.  I grew up in a large family with three sisters. I am grateful for my wonderful family and friends… without their support, I would not be where I am today.  
Fun Fact: I have type 1 diabetes and can speak Gujrati and a little Spanish.

Lital Reitblat, M.D.

Hometown: Caracas, Venezuela
Undergraduate: Florida Atlantic University – B.S. Biology, 2004
Medical School: University of Florida – M.D. 2009
Residency: Pediatrics - University of Miami - 2012
Board Certifications: Pediatrics
Research/Clinical Interests:
Type 1 diabetes, disorders of sexual differentiation
Hobbies/Family: I have a two little red-headed kids (born in 2012 and 2014)  
Fun Fact:
I was born in Israel and grew up in Venezuela (and speak English, Spanish and Hebrew)

Bracha Goldsweig, M.D.

Hometown:Elizabeth, NJ
Yeshiva University – B.A. Biology, 2002
Medical School:
NYU – M.D. 2007
Pediatrics - NYU/Bellevue, 2010
Board Certifications:
Research/Clinical Interests:
Type 1 diabetes, Cystic fibrosis related diabetes
Hobbies/Family: Bracha lives in New Haven with her husband and two young children. She enjoys hiking, reading, eating chocolate and spending time with family and friends. 
Fun Fact:
Practiced general pediatrics in private practice for 3 years before deciding to train in pediatric endocrinology.

Laura Young, M.D.

Hometown: Buffalo, NY
Undergraduate: University of Maryland – B.S. Cell Biology, B.A. English, 2006
Medical School: SUNY Buffalo – M.D. 2010
Residency: Pediatrics – Yale-New Haven Hospital - 2013
Board Certifications: Pediatrics
Research/Clinical Interests: immunobiology of Type I Diabetes, monogenic diabetes, coping and mental health in chronic disease
Hobbies/Family: tennis, painting/collaging – lives in Milford with her husband and fur-baby “Pia” an adorable Italian Greyhound. Many of her family members have dealt with the challenges of living with autoimmune disease, which has inspired her interest in endocrinology and immunology
Fun Fact: Laura has always wanted to be a scientist and went away to DNA camp when she was 15 - now she’s working on getting her PhD here at Yale. Another fun fact is that you’ll never know which hair color she’ll have next – she typically goes through 6-8 different colors each year!

Stephan Siebel, M.D., PhD

Hometown: Schwelm, Germany
Medical School: Heinrich Heine University Duesseldorf, 2006, MD, PhD
Residency:  Pediatrics - Pitt County Memorial Hospital, Greenville, NC (Brody School of Medicine, ECU)
Past Fellowships: Medical and Biochemical Genetics: National Human Genome Research Institute, NIH, Bethesda, MD
Board Certifications: Pediatrics, Medical Genetics
Research/Clinical Interests: Immune dysregulation of  T1DM; metabolic dysregulation of endocrinopathies
Hobbies/Family: Sports, literature, music, movies. Recently moved to Connecticut with his beautiful wife, two children and loyal dog.