We’re a small team that makes a big impact.
Mr. Brennan is the President and CEO of the Health Care Cost Institute. In this role, he is responsible for overseeing HCCI’s overall research agenda that seeks to highlight trends in U.S. health care spending and the factors behind those trends. Niall also works to maximize the reach of HCCI's data by licensing directly to leading academic researchers and through HCCI's role as a Medicare certified Qualified Entity. Niall works closely with federal and state policymakers, including the U.S. Congress on key health policy issues. He is a nationally recognized expert in health care policy, the use of health care data to enable and accelerate health system change, and data transparency. He has published widely in leading academic journals, including the Journal of the American Medical Association, the New England Journal of Medicine and Health Affairs. Prior to joining HCCI, Mr. Brennan was Chief Data Officer at the Centers for Medicare and Medicaid Services (CMS). He has also worked at the Brookings Institution, the Medicare Payment Advisory Commission, the Congressional Budget Office, the Urban Institute, and PriceWaterhouseCoopers. Mr. Brennan received his MPP from Georgetown University and his BA from University College Dublin, Ireland.
When not in the office, Niall enjoys spending time with his family, watching soccer and rugby, and road and mountain bike riding.
Jessica works on various HCCI initiatives such as Healthy Market Index and Health Care Cost and Utilization Report (HCCUR). Her research interests focus on healthcare competition, health policy, and behavioral economics. Prior to HCCI, Jessica worked at OptumLabs as a senior analyst where she worked on research projects and programmed analytical datasets from a large administrative claims data warehouse. She received a B.A. in both in Economics and International Relations and a M.A. in Economics from Boston University. She is currently a doctoral candidate at the University of Minnesota School of Public Health in the Health Services Research, Policy and Administration program with an emphasis in Economics.
A native of Honolulu, Jessica enjoys her annual winter trips home to escape winters on the mainland. She enjoys biking, traveling and cooking.
Elianna assists senior researchers on a number of different projects, ranging from the Healthy Marketplace Index to maternal health to commercial and medicare spending. She also works with external researchers to license HCCI data. She recently graduated from Colorado College with a B.A. in Economics, where her senior thesis explored the utilization of mental health services following mass shootings.
In her free time, Elianna likes to hike and bike, cheer for the Denver Nuggets, and hang out with her pet snake, Milo.
Phillip assists senior researchers with various stages of research. He also works with external researchers to license HCCI data. He recently graduated from the University of Virginia with a BA in Economics and Biology, where his senior thesis applied econometric techniques to study the effectiveness of prostate cancer screening tests, as well as racial disparities in screening, diagnoses, and outcomes.
Outside of work, Phillip enjoys trail running, reading, and cheering on the UVA men's basketball team (Go Hoos!).
Mr. Hargraves oversees HCCI’s research blog HealthyBytes and data visualizations. He is also a co-author of the annual Health Care Cost and Utilization Report and contributes to the development of HCCI’s Qualified Entity initiative. His research focuses on the impact of policy and regulatory changes on health care spending and service use, and often collaborates with media outlets to help tell stories with data. Previously to joining HCCI, Mr. Hargraves worked as a researcher at the Centers for Medicare & Medicaid Services studying geographic variation, chronic conditions, and hospice using Medicare claims data. Mr. Hargraves received his BS in Economics from Binghamton University and his MPP with a concentration in Program Evaluation from the George Washington University.
John is an avid outdoorsman, comic convention nerd, and TV enthusiast.
Dr. Johnson oversees the Healthy Marketplace Index project and leads work to support a variety of other HCCI research priorities. His research focuses on how local market factors, such as health care provider market structure, can impact the cost and type of care patients receive. Dr. Johnson received his MA and PhD in Economics from the University of Virginia, and a BA in Mathematics and Economics from Washington and Lee University.
Bill is an avid Boston sports… and DC United fan, who enjoys making pizza from scratch when not defending the New England Patriots.
See Dr. Johnson's work here:
Mr. Kennedy performs data manipulation and statistical analysis on HCCI’s vast commercial claims dataset, co-authoring published articles and reports on a wide array of topics. A majority of his focus has been on geographic price variation, including his work on projects like the Healthy Marketplace Index (HMI) and the National Chartbook of Health Care Prices. His research has also explored emergency room price and use trends as well as consumer-driven health plans, among others. Mr. Kennedy received his BS in Economics and in International Affairs from The George Washington University.
Outside of the workplace, Kevin enjoys running, re-watching The Office, and cheering on his hometown Cleveland sports team (as painful as that tends to be).
Daniel is a senior researcher focusing on price and utilization in the Medicare program, he also collaborates on all-payer claims database projects. Prior to joining HCCI, Daniel worked at the Centers for Medicare & Medicaid Services where he managed fee-for-service claims data and the post-acute care quality assessment data, leading several Medicare spending transparency reports. Daniel received an MPH in health policy from the Boston University School of Public Health and a BS in human biology and a BA in history from the University of California, San Diego.
A true native of southern California, Daniel enjoys spending time at the beach, hiking and going to Dodgers games whenever the schedule permits.
See some of Daniel’s previous work here:
Ms. Martin helps oversee and execute HCCI’s research and analytic agenda as well as support development of compelling, impactful publications. Before joining HCCI, she was the Vice President for Health Policy and Programs at the National Partnership for Women & Families. Ms. Martin served nearly 15 years in the federal government at both the Office of Management and Budget and the Department of Health and Human Services where she served as the Acting Assistant Secretary for Planning and Evaluation. Ms. Martin received her BA in Economics from William Smith College and her MPA from the Maxwell School of Citizenship and Public Affairs at Syracuse University.
Outside of work, Katie enjoys hanging with her family, is an avid Syracuse Orange fan, and is trying to get back to reading for fun.
Ms. Pupino assists senior researchers with various stages of research. She also helps manage research projects licensing access to the HCCI database. Ms. Pupino received her BA in International Studies from American University and her MS in Public Policy and Management from Carnegie Mellon University.
In her free time, Angela dances Lindy Hop, writes creative nonfiction, and searches DC for quality Youngstown (Ohio)-style pizza.
Ms. Rodriguez oversees HCCI’s research and product portfolios to create impactful offerings in support of its mission. Prior to joining HCCI, Ms. Rodriguez served in a variety of healthcare research, consulting and product development roles, most recently leading product development for Avalere Health and previously conducting research with the Government Accountability Office and Center for the Study of Services. Ms. Rodriguez received her BS in Health Promotion and Disease Prevention from the University of Southern California, and her MPH with a concentration in Policy from the George Washington University. She is a Certified Scrum Product Owner and SAFe Agilist.
When she is not supporting her teams (USC, Capitals, Manchester United, Bills), Sally likes to read fiction and sample Indian food.