Past Members

Past D2d Study Members

CliffClifford J. Rosen, MD | Co-Investigator

Dr. Clifford J. Rosen, M.D. is the Director of Clinical and Translational Research and a Senior Scientist at MaineMedicalCenter’s Research Institute.  He is also an Adjunct Staff Scientist at the Jackson Laboratory, and Professor of Medicine at Tufts University School of Medicine.  Dr. Rosen is the founder and Former Director of the Maine Center for Osteoporosis Research and Education.  He was the first Editor-in-Chief of the Journal of Clinical Densitometry, and he is currently the Editor-in-Chief of The Primer in Metabolic Bone Diseases, and an Associate Editor for JCEM.  His publications include more than 300 peer-reviewed manuscripts, covering both clinical and basic bone biology. Dr.Rosen has overseen numerous phase II and III clinical trials, funded through federal (NIH) and non-federal sources.  He is currently a member of the FDA Advisory Panel on Endocrinologic and Metabolic Drugs and a former chairperson of that Panel.  He was Permanent Chair of the NIH Review Panel for Skeletal Biology and Bone Diseases for 2002-2004, and is currently a member of the NIAMS Scientific Advisory Board.  He served as president of the American Society for Bone and Mineral Research in 2002-2003.  Dr. Rosen’s research interests include the genetic regulation of insulin-like growth factor relative to skeletal metabolism, PTH as an anabolic therapy, and the relationship between marrow adipogenesis and osteoblastogenesis.


Patricia Sheehan, RN MPH MS
| Project Manager

Patricia (Patty) Sheehan is Assistant Professor at Tufts University School of Medicine.  She received her BSN from Villanova University, a MPH with a concentration in epidemiology from Johns Hopkins University followed by a MS in Community Health (Family Nurse Practitioner) from the University of Massachusetts.  She started her career as a clinical research nurse at the National Institutes of Health Clinical Center.  Ms. Sheehan has organized, directed and completed large multicenter trials for both academia and industry, most recently as the Associate Director for the NHLBI sponsored IMMEDIATE Trial.  In addition to her research experience, she has worked in public and community health nursing and provided primary and specialized care as a nurse practitioner.   She is a member of the Society for Clinical Trials and held certification as a Clinical Research Associate by the Association of Clinical Research Professionals.

Paul Fuss
| Research Associate

Paul Fuss received his B.A. degree from the University of Michigan and has over 20 years of experience as a research coordinator and project manager in nutrition-based clinical research, including multi-center clinical trials, conducted at the Human Nutrition Research Center on Aging at Tufts University. He served as the site Project Manager for the multi-center CALERIE Study, a large and very complex trial on calorie restriction and the aging process. Most recently, he completed a field study on the effectiveness of a new micronutrient-rich supplemental food on improving the health and nutritional status of primary school-aged children in the West African country of Guinea-Bissau. Mr. Fuss joined the research team in the Division of Endocrinology at Tufts Medical Center in 2012.


Olivia Lovegreen | Research Administrator

Olivia Lovegreen received her B.S. in Health Policy and Management from Providence College in 2012. During her undergraduate study she interned at Rhode Island Primary Care Physicians Corporation and Butler Hospital in the Risk Management department. Following graduation she spent a short time working at Joslin Diabetes Center which fostered her interest in grant management. Olivia began working in the Research Administration department at Tufts Medical Center in March 2014 and is enjoying the opportunity to work on such a large study with multiple sites across the country.

Cindy Haviet, MS
| Research Assistant

Cindy Haviet received her B.A. in Biology with a minor in Public Health from Regis College in 2013 and after two remaining courses will receive her M.S. in Regulatory and Clinical Research Management, a program geared towards working in an academic research environment or regulatory affairs. During her undergraduate study, Cindy was the co-founder & President of the Regis College Science Association & a member of The National Biological Honor Society. In her graduate studies she has taken courses that are complementary to the work she will be doing as part of the D2d research team.  Samples of the courses include clinical research methodology, pharmaceutical regulations, biostatistics, and quality systems and risk management.