HPI Faculty, Fellows, and Staff

Faculty and Research Scientists

Olesya Baker
Research Scientist
Alison Galbraith
Associate Professor
Laura Faden Garabedian
Assistant Professor
Christine Lu
Associate Professor
Mei-Sing Ong
Assistant Professor 
Dennis Ross-Degnan
Associate Professor
Interim Director 
Stephen Soumerai
Professor
Natasha Stout
Associate Professor
Anita Wagner
Associate Professor
Interim Deputy Director
Hefei Wen
Assistant Professor
James Frank Wharam
Affiliate Faculty Member
Hao Yu
Associate Professor
Fang Zhang
Assistant Professor

Fellows

Saumya Chatrath Can Keskinaslan Yang Liu
Yanlei MaAlison McCleanDipal Nagda
Mahnum ShahzadBryant ShueyNicolas Trad
Sen XuAriel (Yue) Zhou

Staff

Stephanie Argetsinger, MS, MPH | Project Manager
Stephanie Argetsinger is a Project Manager in the Division of Health Policy and Insurance Research at the Department of Population Medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute. She has a Bachelor of Science in Biology and Psychology from the University of Massachusetts Boston. Stephanie also graduated from Boston University with a Master of Science in Medical Sciences and a Master of Public Health with a concentration in Health Policy and Law.

617-867-4938 | stephanie_argetsinger@harvardpilgrim.org
Jenna Clemenzi, MPP | Research Assistant
Jenna Clemenzi is a Research Assistant in the Division of Health Policy and Insurance Research at the Department of Population Medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute. She has a Bachelor of Arts in Political Science from Simmons University with a concentration in Public Policy. Jenna recently graduated from Simmons University with a Master of Public Policy.

jenna_clemenzi@harvardpilgrim.org
Rebecca Costa, MS | SAS Programmer/Analyst
Rebecca Costa is a SAS Programmer and Analyst in the Division of Health Policy and Insurance Research at the Department of Population Medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute. She has a Bachelor of Science in Public Health Sciences and a Master of Science in Epidemiology, both from the University of Massachusetts at Amherst. Prior to joining HPI, Rebecca worked as an Epidemiologist at Costello Medical.

rebecca_costa@harvardpilgrim.org
Samantha Fournier, BA | Senior Administrative Specialist
Samantha is a Senior Administrative Specialist in the Division of Health Policy and Insurance Research and provides faculty support to all HPI faculty. She is the administrator for the Harvard Medical School Fellowship in Health Policy and Insurance Research, as well as the coordinator for the Health Policy and Insurance Research Seminar series. Samantha completed her Bachelor of Arts from Notre Dame College in Business Management. Prior to her joining HPI in 2018 she was a Senior Project Manager in research for Partners Health Care. 

617-867-4881 | samantha_fournier@harvardpilgrim.org
Alyssa Halbisen, BA | Administrative/Project Specialist
Alyssa is an Administrative/Project Specialist in the Division of Health Policy and Insurance Research. She has a Bachelor of Science in Public Health Education from Portland State University and is currently finishing her Master of Public Health, with a focus in Health Policy & Law and Epidemiology, at Boston University. Prior to joining the Department, she was a Graduate Research Assistant at Boston Medical Center’s Center for Health Equity, Education, and Research.

alyssa_halbisen@harvardpilgrim.org
Matthew Lakoma, MPH | SAS Programmer/Analyst
Matthew Lakoma is a SAS Programmer and Analyst in the Division of Health Policy and Insurance Research at the Department of Population Medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute. He provides assistance on numerous diabetes and breast cancer projects. He also contributes analytic programming support for both high deductible health plan enrollment and preventive drug list analyses. Matthew graduated with a Bachelor of Science in Psychology from the University of Massachusetts at Amherst. He also graduated from Boston University with a Master of Public Health with a concentration in Epidemiology and Biostatistics.

617-867-4319 | matthew_lakoma@harvardpilgrim.org
Robert LeCates, MA | Research Associate
Robert LeCates is a Research Associate in the Division of Health Policy and Insurance Research at the Department of Population Medicine, at Harvard Medical School and Harvard Pilgrim Health Care Institute.  He has worked in the department for over 20 years, providing administrative and research support to faculty members of the Drug Policy Research Group until 2011.  Since then, he has worked as a programmer/analyst, working on state, national, and international projects, using a variety of data sources, including survey data for international projects, and claims data from Medicaid and Medicare dual enrollees, and regional and nationwide health insurers.  He has a Bachelor of Science in Civil Engineering from the University of Texas in Austin, a Bachelor of Arts in Radio-Television-Film from the University of Houston, and a Master of Arts in Speech Communication from the University of Houston.

617-867-4943 |  robert_lecates@harvardpilgrim.org
Meg Scholl, BA | Program Manager
Meg Scholl is the Program Manager for the Division of Health Policy and Insurance Research in the Department of Population Medicine at the Harvard Pilgrim Health Care Institute. Ms. Scholl received a BA in Health Care Administration and Communication Studies from Stonehill College in 2011. She works closely with interim Division Directors Drs. Dennis Ross-Degnan and Anita Wagner and coordinates the administrative operations of the group. Ms. Scholl manages the HPI staff and oversees the division’s financial functioning and post-award grant portfolio.

617-867-4499 | meg_scholl@harvardpilgrim.org
Sarah Stein, PhD | Research Programmer
Sarah Stein is a Research Programmer in both the CHeRP and HPI divisions. Sarah holds a PhD from Stanford in Organization Behavior and is skilled in C++, R, Python natural language processing, data manipulation, and visualization. Sarah splits her time working on decision modeling projects of newborn genomic screening (PreEMPT) with Dr. Ann Wu and of breast cancer projects with Dr. Natasha Stout.

617-867-4525 | sarah_stein@harvardpilgrim.org
Ann Thomas, PhD, MS | SAS Programmer
Ann Thomas is a SAS Programmer in the Department of Population Medicine at Harvard Pilgrim Health Care Institute. Ann has an MS in Biostatistics from Harvard School of Public Health and a PhD in Health Psychology from the University of California, Irvine. Prior to joining the department, Ann worked as a Data Manager and Statistician at Brigham and Women's Hospital, Department of Obstetrics and Gynecology.

ann_thomas@harvardpilgrim.org
Brittany Zanengo, BS | Project Manager
Brittany Zanengo is a Project Manager in the Department of Population Medicine at Harvard Pilgrim Health Care Institute. She manages pre-award grant processes and IRB compliance for the division of Health Policy and Insurance Research. Brittany graduated with a Bachelor of Science in Biology from the University of Massachusetts Boston. Prior to joining the Department of Population Medicine, she worked as a lab manager at the Massachusetts General Hospital.

617-867-4519 | brittany_zanengo@harvardpilgrim.org