Marlee Kosakowski
Marlee Kosakowski

Marlee comes to Reservoir with a background in health policy, advocacy, and research and helps clients advance public affairs, policy and communications efforts through engagement with key audiences.


During her undergraduate career, Marlee interned at healthcare organizations both domestically and abroad, mainly focusing on oncology care. Prior to joining Reservoir, she worked at the Cancer Study Group, where she helped Fortune 500 companies address cancer within their employee populations. Through this position, Marlee researched topics including payment reform, financial toxicity, and drug pricing. Marlee also worked with the American Society of Clinical Oncology as an International Affairs Intern, supporting the organization’s global health and education programs. Moreover, while studying abroad in Madrid, Spain, Marlee worked with the country’s leading cancer patient association.


Marlee graduated summa cum laude from American University with a B.A. in International Studies, with concentrations in global health, environmental sustainability, and human rights. She also obtained a Spanish Language minor and Translation Certificate.