BERD Faculty/Staff


Jason T. Machan, PhD.  Dr. Machan is a Ph.D. experimental psychologist, with a career as a biostatistician (since1999) directing the Lifespan BERD Core (formerly the Lifespan Biostatistics Core) since 2004 as well as an externship with the University of Rhode Island since 2011.  Dr. Machan additionally holds appointments in the Departments of Orthopaedics and Surgery at Brown University and Psychology at the University of Rhode Island. He aims to remove some of the smoke-and-mirrors associated with statistics and biostatistics and improve the handshake between statistical inference and the medical and biological sciences. (VIVO) (Google Scholar) (ResearchGate)

Grayson L. Baird, PhD, PSTAT®. Dr. Baird is an Assistant Professor in Diagnostic Imaging (Research) at Brown University and serves as the department’s statistician for research and quality. In addition to providing design and statistical oversight, Dr. Baird is the director of the Radiology Human Factors Lab. Dr. Baird is a research scientist with the Lifespan BERD Core at Rhode Island Hospital. (VIVO) (Google Scholar) (ResearchGate)

Janine Molino, PhD (VIVO) (Google Scholar)


Meaghan M. Mallette, MPA

Ray Tanzer, PhD. Dr. Tanzer provides support in study conceptualization, design, analyses, and dissemination. He additionally brings a background in neuroscience and health psychology, with particular applications in physiological relationships between subjective happiness and stress response pathways. He is excited to support investigators across a wide array of topics and has particular research interests in neuroscience, genetic/epigenetic research, questionnaire research, subjective well-being, social determinants of health, measurement theory, and Bayesian methods.

Phinnara Has, MS. Phin provides support in study conceptualization, design, analyses, and dissemination. He additionally brings a background in infectious diseases, OB/Gyn, and maternal-fetal medicine with particular interests in clinical epidemiology, applied biostatistics, and evidenced-based medicine. He is excited to support investigators in their research endeavors and finds all phases of research from development of a research question to publication especially fulfilling.

Uttam Bhetuwal, ScM

Maria Pereira-Silva


Joseph L. Fava, PhD

Biostatistics Externship with University of Rhode Island Department of Psychology

2009 – 2011 Magdalena Harrington, PhD

2011- 2012 Marimer Santiago

2012 – 2013 Grayson L Baird, PhD (see above…never let him go)

2013 – 2014 Si Yang

2014 – 2016 Dorothy Skierkowski, PhD

2016 –  Valerie Ryan

2019 – 2021 Ray Tanzer, PhD

2021 – Present Orianna Carvalho, MA

Biostatistics Graduate Research Assistantship with Brown University

2021 Chun Park, ScM