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Latino Diabetes Initiative - Team Members

Enrique Caballero, M.D.

Director of the Latino Diabetes Initiative
Dr. Enrique Caballero is the founder and Director of the Latino Diabetes Initiative, Director of Medical Affairs for the Department of Professional Education, Endocrinologist and Clinical Researcher at the Joslin Diabetes Center, as well as Professor of Medicine at Harvard University in Boston, Massachusetts.

Dr. Caballero graduated from the National University of Mexico Medical School where he was awarded the Gabino Barreda Medal for top student in his program. He completed his residency in internal medicine and fellowship in endocrinology at the National Institute of Nutrition in Mexico, and went on to complete a master’s degree in clinical epidemiology in Mexico. In addition, he completed a fellowship program in endocrinology and metabolism at the Lahey Clinic/Deaconess Hospital/Joslin Diabetes Center and the Program on Clinical Effectiveness at the Harvard School of Public Health.

Dr. Caballero is Co-Investigator of the National Diabetes Prevention Program, the LookAhead Program and the Diabetes Education Study, all sponsored by the National Institutes of Health. Dr. Caballero's research interests include type 2 diabetes and cardiovascular disease prevention, endothelial dysfunction and diabetes in minority populations. He is the Principal Investigator in studies assessing vascular abnormalities in obese Hispanic children, adolescents and young adults. He is also Principal Investigator in a study assessing biological, psychological, social and cultural factors influencing adherence to treatment in Latinos with diabetes. Dr. Caballero has worked in the area of diabetes among different ethnicities, including Latinos in the United States. He is currently the Latino Program Director for the American Diabetes Association.

Dr. Caballero gives multiple conferences at the national and international level and has published several original articles and book chapters related to his research. He also serves as editor for various prestigious scientific journals as well as for the publications of the American Diabetes Association. In addition, he is an active member of the Latin-Amercan Association and the European Diabetes Association.

He recently received the Alberto Houssay prize of the Minority Quality Foundation in the United States for his work helping marginalized communities, particularly the Latino population in the United States. He has also received an award from the American Association of Clinica Endocrinologists for his work with the Latino population.

Elizabeth Halprin, M.D.

Endocrinologist and Gestational Diabetes Specialist
Elizabeth Halprin, M.D., is a staff endocrinologist at Joslin Diabetes Center in Boston and a member of the Joslin Latino Diabetes Initiative. She also participates in The Pregnancy Clinic, a Beth Israel Deaconess Medical Center/Joslin Clinic collaborative program for the care of women with diabetes in pregnancy. Additionally she holds monthly sessions at the Joseph Smith Community Health Center in Allston, Mass. for people with diabetes.

Dr. Halprin is an Instructor in Medicine at Harvard Medical School.

Dr. Halprin graduated from the Instituto Superior de Ciencias Medicas in Havana, Cuba, where she finished with highest honors. She completed her residency in internal medicine at the Cambridge Hospital in Cambridge, Mass. and her fellowship in endocrinology, metabolism and nutrition at Boston Medical Center/Boston University. Dr. Halprin has been at Joslin Clinic since August 2000.


Maria Koen, N.P., C.D.E.

Nurse Practitioner and Certified Diabetes Educator
Maria Koen, N.P., C.D.E. is a bilingual Diabetes Nurse Practitioner and Diabetes Educator who has been working with the Joslin Diabetes Latino Clinic since 2002. Her interest in serving the Latino population developed from growing up in a bicultural home and spending time visiting family in Lima, Peru. Maria graduated from Boston College School of Nursing in 1999 and earned her Master’s of Science from the Nursing Program at Regis College. Before arriving at Joslin, she practiced nursing in a variety of settings, most recently at the Massachusetts General Hospital on a semi-acute medical unit. She also has had prior experience in cardiac nursing. Clinical interests include cardiology and dermatology.



Lucila Halperin

Psychology Fellow
Lucila is a clinical psychology intern with the Joslin Latino Diabetes Initiative. She provides individual and group therapy for individuals dealing with the impact of diabetes. She will be offering support and stress management groups later this year. Lucila is originally from Argentina and is fully bilingual (English and Spanish). She is currently a doctoral student at the Massachusetts School of Professional Psychology and has trained in hospitals and community health centers with patients of diverse ages, ethnicities, socio-economic status and psychological issues. Given her background, she is particularly committed to working with the Latino population and on better understanding the impact that cultural identity has on the meaning that patients ascribe to their symptoms and treatment adherence.



Lucy Ortiz

Medical Office Coordinator
With both parents originating from Puerto Rico, but born and raised here in Boston, Lucy is fully bilingual. She plays a vital role in the Latino Initiative as the Medical Office Coordinator and knows just about every patient in the program. Apart from all of her other clinic activities, she is available to help Latino patients with appointments and prescriptions, as well as transportation and insurance issues. She has also completed the training program at Joslin to assist in the Clinic as a Medical Assistant and often helps when needed. Outside of work, she enjoys watching movies and dancing.






Diana Zambrano

Medical Assistant

Diana is one of the newest members of the Latino Initiative. While finishing her internship for Bunker Hill Community College, she was noticed at Joslin for being a bright and efficient worker; after she completed her studies, she was offered a full-time position. We are very glad to add another bilingual member to our clinical care team.





Angie Abreu

Patient Financial Counselor

Angie really enjoys helping patients and is dedicated to helping them find the resources they need. With family from the Dominican Republic, she is fully bilingual and assists patients when they have questions about a bill, health insurance or medication coverage. She also processes applications for Joslin FreeCare, which covers medical appointments at Joslin for low-income patients who qualify. Angie completed her Associate's Degree in General Studies in Science at Fisher College and hopes to return to school in the future. In the meantime, she enjoys raising her three children, gardening and traveling.




Kamil Hernandez

Medical Office Coordinator, Beetham Eye Institute
With both parents from Puerto Rico, Kamil’s first language is Spanish, but she grew up speaking both English and Spanish. She worked previously as a Certified Nurse Assistant and joined Joslin as an office coordinator to help Latinos in the community. She now coordinates eye appointments for patients in the Beetham Eye Institute.





Andrew Rolla

Latino Patient Care Coordinator/Interpreter

Andrew came to the Joslin Diabetes Center in 2004 and began his work in the Latino Diabetes Initiative as a Research Assistant investigating the impact of intervention in the prevention of long-term complications of type 2 diabetes in the Latino community. Andrew grew up in a bicultural household and is the son of Argentine immigrants. He currently serves as an interpreter for patients in the Latino program as well as providing close case management as the Latino Patient Care Coordinator. Andrew received his B.A. from the University of Maine, Orono and his interests include epidemiology and urban public health.





Andreina Millan-Ferro

Patient Education and Research Coordinator
Andreina Millan-Ferro is a dietitian and serves as the patient education and research coordinator at the Latino Diabetes Initiative. Originally from Venezuela, Andreina received the Lorenzo Campins and Ballester award from the Faculty of Medicine as the top student in her program at the Central University of Venezuela. Her role assures that the Latino Initiative's education program is perfectly aligned with Joslin’s Care structure and mission. She is implementing a rigorous evaluation strategy to assess the impact of all educational activities on patients in the program. Andreina is also the study coordinator for the research protocols of the Latino Initiative. 



Angelee Russ

Clinical Program Coordinator
Angelee got her B.A. from Bard College and has worked with the Latino community for many years in various public health areas. Having lived in Spain and Mexico for several years, she is bilingual and familiar with the culture of many Latin American countries. As the Clinical Program Coordinator for the Latino Initiative, Angelee helps to ensure that all components of the program run smoothly and acts as the liason between the patients and clinic staff. Angelee coordinates the case management services, manages the patient database and participates in community outreach activities. She is often the Latino patient's first point of contact with Joslin and remains available to guide them through their individualized treatment plan. Angelee also coordinates the Visitor Program, which gives healthcare professionals from Latin America and Spain an opportunity to observe our clinicians in action.




Kristen Hock

Imaging Specialist, Beetham Eye Institute
Kristen Hock joined the Joslin Diabetes Center team in 2000 and is the Manager of Clinical Programs of the Joslin Vision Network (JVN) and the Beetham Reading and Evaluation Center. The JVN is an eye care program designed to detect retinopathy and eye disease caused by diabetes, and to determine a diagnosis and treatment plan based on the level of retinopathy. The JVN provides efficient, cost-effective eye examination and medical intervention strategies for persons with diabetes, increases access to quality eye care and treatment for those denied such care due to cultural, socioeconomic or geographical boundaries.

Kristen previously worked as a research study coordinator for several endocrinology studies at Beth Israel Deaconess Medical Center and is currently studying to become an optometrist at the New England College of Optometry. 


Page last updated: August 19, 2019