Dr. Michael Broder has 30 years’ experience in health economic and outcomes research. Dr. Broder received his research training in the Robert Wood Johnson Clinical Scholars Program at UCLA and RAND, attended medical school at Case Western Reserve University, and received his undergraduate degree from Harvard University. In addition to being an experienced health services researcher, he is a board-certified physician and provides clinical expertise for many studies at PHAR. Before starting PHAR, he served as Vice President of Zynx Life Sciences/Cerner Health Insights, a consulting and research firm in Beverly Hills, California.

Dr. Broder has conducted research for industry, specialty societies, and government on a wide range of topics using diverse health service research methods. He has led expert panels to develop guidelines relating to use of estrogens, treatment of various cancers, surgical safety, and stroke prevention. He has published more than 100 articles in peer-reviewed journals as wide-ranging as The Journal of the American Medical Association, American Journal of Managed Care, Medical Decision Making, Journal of Asthma, and Obstetrics & Gynecology. Dr. Broder is the author of two books and multiple book chapters. He is an Adjunct Professor at the Case Western Reserve School of Medicine, where he serves on the Council to Advance Human Health.

Dr. Eunice Chang is a mathematician and statistician with 30 years’ experience in the application of statistical analysis and design in a range of data types, including longitudinal surveys; commercial, Medicare, and Medicaid claims; electronic health records; and many others. At PHAR, she leads many secondary data analyses, and provides methodological and statistical support on a variety of other project types. Before joining PHAR, she was the Chief Statistician and Manager of Health Informatics and Health Outcomes Research at Prescription Solutions in Costa Mesa, California, where she was responsible for the methodology of retrospective and prospective clinical outcomes research and the evaluation of quality initiatives and disease-state management programs. This required the development of predictive models for pharmacy and medical costs and other healthcare utilization with data-mining techniques, such as regression models, decision trees, and neural networks.

Dr. Chang also served as Senior Statistician at PacifiCare Health Systems, where she led a team focused on quality initiatives and health improvement projects, including the development of a systematic sampling program for HEDIS 1999 measures. Earlier in her career, she provided statistical support for research grant proposals and study design at the David Geffen School of Medicine at UCLA.

Dr. Irina Yermilov is a physician and researcher with expertise in using biometric, registry, and survey data to measure quality and cost. At PHAR, she oversees primary data collection studies (surveys and chart reviews), expert panels, and systematic literature reviews.

Dr. Yermilov has worked with organizations such as IMS Health and the RAND Corporation to develop risk-adjusted quality measures, research the effects of quality improvement programs on chronic diseases, and investigate pregnancy outcomes following bariatric surgery. Her work has been published in multiple high-impact journals, including JAMA and the Journal of the American College of Surgeons. Dr. Yermilov earned her medical degree and master’s degree in public health from Tulane University. She also holds a master’s degree in physiology from Georgetown University.

Dr. Ashis Kumar Das is a physician and researcher with over 15 years of international experience in epidemiology, health economics, health services, and outcomes research spanning across more than 20 countries. At PHAR, he leads real world evidence studies using claims, electronic health records, registries, and survey data. His work encompasses a wide range of clinical areas including oncology, hematology, infectious diseases, vaccines, and health technology.

Prior to joining PHAR, Dr. Das worked at the World Bank where he led strategies to monitor, evaluate, and demonstrate the value of large-scale multi-country health projects. Dr. Das has published peer-reviewed research in multiple high-impact journals, delivered invited talks on health research analytics, and presented his work at conferences. Dr. Das is trained in medicine and public health and obtained his doctorate in epidemiology from the London School of Hygiene and Tropical Medicine.

Marianne Eagan Burrows is the Director of Operations, and oversees contracting, invoicing, and hiring at PHAR. Her work also includes ensuring that internal protocols are consistently followed and external regulatory requirements are met. Marianne took on this role following two years as a project manager at PHAR focused on the logistics of chart review studies.

Prior to joining PHAR, she assisted the International Planned Parenthood Foundation with field research for a social franchise initiative in Thika, Kenya, and worked as a field organizer during the 2012 Presidential election. Marianne received her master’s degree in international health policy from the London School of Economics in 2011 after receiving a bachelor’s degree in history of science from Harvard University.

Sarah Gibbs has extensive experience in quantitative and qualitative research and evaluation methods, project management, and data visualization. At PHAR, Sarah supports many projects, including chart reviews, expert panels, and systematic literature reviews.

Prior to joining PHAR, Sarah worked as a Senior Research and Evaluation Analyst at the National Association of County and City Health Officials in Washington, DC, conducting primary research to support the work of local health departments across the United States. Sarah received her Master of Public Health from the University of North Carolina at Chapel Hill and a bachelor’s degree in psychology from Duke University.

Marian Tarbox completed her undergraduate degree at the University of California, Davis and received her Master of Public Policy from Mills College. Prior to joining PHAR, Marian worked as a Grant Assistant for the Behavioral Health Department at The Children’s Clinic of Long Beach, where the focus of her work was increasing department efficacy and quality of care. At PHAR, Marian supports a variety of health services research projects including secondary data analyses and various other studies. As a research project manager, she is also responsible for the development and submission of a variety of dissemination pieces, including abstracts, posters, manuscripts, reports, and presentations.

Amanda Harmon completed her undergraduate degree in Biology from Claremont McKenna College, then went on to receive a Master of Public Health with a concentration in leadership and management from Claremont Graduate University’s School of Community and Global Health. Before joining PHAR, Amanda worked as an emergency department scribe at Pomona Valley Hospital Medical Center, a Level II Trauma Center. At PHAR, Amanda supports the conduct of cost-effectiveness and budget impact models, systematic reviews, and various other studies along with the development and submission of abstracts, posters, manuscripts, and presentations.

Cynthia Campos is a Researcher. She supports a variety of projects, including systematic literature reviews, chart reviews, and expert panels. Cynthia completed her undergraduate degree in Molecular, Cellular, and Developmental Biology at Yale University. She then earned her Master of Public Health from Emory University’s Rollins School of Public Health with concentrations in Global Health and Community Health Development. She worked with the Consulate General of Mexico in Atlanta for her master’s thesis, designing and conducting a structured survey of immigrants about their health access and affordability.

Caleb Paydar completed his undergraduate degree in neuroscience at the University of California, Los Angeles. While at UCLA, Caleb was a research assistant at the Oppenheimer Center for Neurobiology of Stress and Resilience where his work focused on the characterization of digestive diseases through neuroimaging techniques. At PHAR, Caleb supports a variety of health services research projects at all stages, from data acquisition to development of reports, abstracts, conference posters, and manuscripts.