Dr. Keziah Cook uses economic theories, healthcare data, and statistical models to support healthcare policy decisions.

She works on cost-effectiveness models, forecasting models, budget impact models, treatment comparisons, burden-of-illness analyses, chart reviews, literature reviews, global value dossiers, and commercial assessments in a range of therapeutic areas to support market access for novel therapeutics. She has also supported litigation matters concerning False Claims Act and Anti-Kickback Statute allegations involving Medicare, determination of reasonable value of emergency services, and delayed generic drug entry.

Dr. Cook’s areas of expertise include measuring the clinical quality of healthcare providers, evaluating impacts of healthcare innovations on utilization and health outcomes, comparing clinical and cost effectiveness of treatment alternatives, assessing drivers of treatment choices, developing economic models of health interventions to guide decision-making, and valuing provision of healthcare services and innovations. She has worked closely with many stakeholders, including pharmaceutical and biotech companies, payers, government agencies, leading law firms, and academic experts. Additionally, Dr. Cook directed federal contracts with the Centers for Medicare & Medicaid Services (CMS) to implement components of the Affordable Care Act and support the Medicare program. She supported CMS rulemaking, authored reports to Congress, developed quality-of-care metrics, facilitated audits of Medicare Advantage plans, and assisted state Medicaid agencies while gaining a deep understanding of Medicare and Medicaid eligibility requirements, benefit design, and reimbursement structure.

Employment History

Analysis Group, Inc.
Vice President, 2020–2024
Manager, 2018–2020
Associate, 2015–2017

Acumen, LLC
Associate Policy Researcher, 2012–2015
Research Associate, 2010–2012

Congressional Budget Office
Summer Associate, 2007

Areas of Expertise


Northwestern University
PhD, Economics, 2010
Dissertation: Three Essays on Cost, Value, and Consequences of Health Insurance

Harvard University
AB, Mathematics (magna cum laude), 2004