Our People
Our team of 1,600 is driven by our mission of improving public well-being and a shared belief in our clients’ missions. We are economists, data scientists, educators, technology developers, clinicians, policy experts, innovators, and story tellers. We are objective collaborators, dedicated to revealing truths and creating impact that will shape a more equitable and just world.
Mathematica's reputation for quality and objectivity is based in no small part on the caliber of my colleagues and their passion for the pursuit of equity.

Paul Decker President and Chief Executive Officer
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Senior Fellow
Debra Lipson has more than 30 years of experience as a health policy researcher and analyst. Her research focuses on Medicaid and state health policy, managed care for vulnerable populations, and long-term services and supports (LTSS) for older adults and people with disabilities.
Featured Projects- Assessing Connecticut’s Preparedness and Response to COVID-19 in Long Term Care Facilities
- Quality Measure Development: Dual Enrollees, Managed Long-Term Services and Supports, and Medicaid Innovation Accelerator Programs
Featured Publications- Using Data to Improve Money Follows the Person Program Performance
- How States Are Holding Payers and Providers Accountable for Health Cost Growth
Topics- Health
- Long-Term Services and Supports
- Medicaid and CHIP
- State Health Policy
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Principal Researcher
Ann Person has broad expertise in research on education, training, and the transition from school to work. She has held leadership roles on projects designed to improve program implementation and inform strategic development for philanthropic and public agency clients.
Featured Projects- Evaluating Adult Promise: How States Support Adult Learners in Postsecondary Education
- Hand in Hand: Community Colleges Help Build Career Pathways for Dislocated and Low-Skilled Workers
Featured Publications- Using the Principles of Adult Learning to Enhance Health Marriage and Responsible Fatherhood Programming (Issue Brief)
- Applying Insights from Adult Learning Theory to Improve Healthy Marriage and Responsible Fatherhood Programming
Topics- Human Services
- Education
- College and Career Readiness
- Employment
- Training and Re-employment