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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Researcher
Abbie Turiansky is a development economist with research interests in agriculture, rural development, food security, natural resources, and climate change.
Featured Publications- Financial Inclusion and Resilience to COVID-19 Economic Shocks: Evidence from Kenya, Nigeria, and Uganda
- MCC Burkina Faso—Agriculture Development Project
Topics- International Research
- Food and Agriculture
- Energy and Climate
- Water and Sanitation
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Senior Researcher
Harshini Shah has expertise in evaluating programs serving young children and their families. She specializes in developing and adapting early childhood observational and assessment measures.
Featured Publications- We Grow Together Professional Development System: Implementation with Infant-Toddler Teachers and Caregivers
- Early Head Start Programs, Staff, and Infants/Toddlers and Families Served: Baby FACES 2018 (Data Tables)
Topics- Human Services
- Early Childhood
- Quality Measurement
- Professional Development
- Systematic Evidence Reviews