Our People

Mathematica's reputation for quality and objectivity is based in no small part on our high-caliber staff. Employees at all levels are selected for their superior experience, education, and training. Most senior staff hold doctoral degrees and are nationally recognized in their fields, which include economics, sociology, survey research, public policy analysis, demography, education, and computer technology.

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Barbara Carlson

Associate Director

Barbara Lepidus Carlson has expertise in both statistical sampling and weighting as well as survey research.

Featured Projects
- Evaluation of Three Cash and Counseling Programs
Featured Publications
- The National Children's Study 2014: Commentary on a Recent National Research Council/Institute of Medicine Report
- Health Tracking Household Survey Methodology Report 2010 Round Six
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Natalya Verbitsky-Savitz

Senior Researcher

Natalya Verbitsky-Savitz has experience in designing, conducting, and reporting on the results of experimental and quasi-experimental policy evaluation studies, as well as observational studies in K–12 education, early childhood and child welfare, labor, and other fields.

Featured Projects
- Evaluating Community-Based Family Support Networks to Reduce Adverse Childhood Experiences
Featured Publications
- Replicating Experimental Impact Estimates with Nonexperimental Methods in the Context of Control Crossover
- Horseshoes, Hand Grenades, and Treatment Effects? Reassessing Bias in Nonexperimental Estimators
Topics
- Literacy, Numeracy, and STEM
- School Choice and Charters
- Strengthening and Disseminating Research
- Education
- Early Childhood
- Child Welfare
- Employment
- Training and Re-Employment
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