Research Staff

Shafika Abrahams-Gessel
Shafika is a Research Associate at the Center for Health Decision Science. She focuses on cardiovascular disease research projects in developed and developing countries.

Emily A. Burger
Emily is a Research Scientist at the Center for Health Decision Science. She evaluates prevention strategies against HPV related diseases in the US and in Europe.

Emily Dowling
Emily is the Administrative Director of the Cervical CISNET working group, coordinating five international modeling sites on key questions in cervical cancer screening and prevention.

Jenna Ogden
Jenna is a Research Assistant at the Center for Health Decision Science. She focuses on cardiovascular disease research projects in developed and developing countries.

Allison Portnoy
Allison is a Postdoctoral Fellow at the Center for Health Decision Science. She evaluates the costs and cost-effectiveness of vaccine delivery strategies in low- and middle-income countries.

Mary Caroline Regan
Mary Caroline is a Research Assistant for the Center for Health Decision Science. She focuses on the cost-effectiveness of treatments and screenings to prevent HIV, HPV & cervical cancer.

Ben Rohrer
Ben is a Programmer/Analyst at the Center for Health Decision Science. He focuses on microsimulation modeling for CHOICES and CHDS-led projects.

Ryoko Sato
Ryoko is a Research Associate at the Center. She focuses on vaccination and CEA and is interested in causal effect of vaccination on long-term health/economic outcomes.

Jennifer Spencer
Jenny is a Postdoctoral Fellow in the Training for Oncology Population Sciences (TOPS) program. Her research uses decision modeling tools to identify cost-effective strategies for reducing cancer health disparities.

Stephen Sy
Stephen is a Programmer at the Center for Health Decision Science. He focuses on programming various disease simulation and cost-effectiveness analysis models.