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Bureau of Labor Statistics > Office of Survey Methods and Research > Contact

Contact Us

Associate Commissioner (Acting)
	Wendy Martinez	(202) 691-7400	Computational statistics, exploratory data analysis, data visualization, outlier detection, statistical pattern recognition, spatial statistics, and the analysis of unstructured text..
Senior Survey Methodologists
	This position is currently vacant.
	William Mockovak	(202) 691-7414	Questionnaire design, cognitive interviewing, Web surveys, usability testing, information architecture, CASIC applications, interviewer training.
Senior Mathematical Statistician
	Daniell Toth	(202) 691-7380	Machine learning, nonparametric regression, estimation and inference with complex sample survey data, time series analysis.
Senior Research Psychologist
	This position is currently vacant.
General Information
	Pamela Anderson	(202) 691-7375

Mathematical Statistics Research Center

Director			Areas of Research
	Wendy Martinez	(202) 691-7400	Computational statistics, exploratory data analysis, data visualization, outlier detection, statistical pattern recognition, spatial statistics, and the analysis of unstructured text.
Research Mathematical Statisticians			Areas of Research
	Moon Jung Cho	(202) 691-7384	Resampling variance estimation method, bootstrap variance estimation method, Balanced Repeated Replicate (BRR) method, missing or fragmented data, modeling of survey response rates.
	Dan Gillman	(202) 691-7523	Statistical metadata, metadata standards, automated coding, terminology.
	Steve Miller	(202) 691-7379	Statistical Methods, Measurement Error, Analysis of Data from Complex Surveys, Variance Estimation, and Inference.
	Randall Powers	(202) 691-7381	Nonresponse, data visualization, clustering analysis, data matching.
	Terrance Savitsky	(202) 691-7382	Bayesian non-parametric inference focused on discovering sub-groups or sub-sets of the data with distinct behavioral profiles or high relevance. Methods include non-parametric prior formulations including dependent Dirichlet processes to discover sub-groups, anistropic Gaussian processes for non-linear functional data estimation, and factor analytic methods to uncover sparse latent constructs.
	Michael Sverchkov	(202) 691-7374	Estimation and inference with complex sample survey data, variance estimation, small area estimation, calibration, time series analysis.
	Daniel Yang	(202) 691-7530	Statistical disclosure limitation, top–coding, double-hurdle model, informed consent-to-link, respondent burden perception, recursive partitioning for complex design.
ASA/NSF/BLS Research Fellows			Areas of Research
	Stephanie Eckman	(202) 691-6278	Coverage error; measurement error; respondent and interviewer incentives; use of GIS in surveys.

Behavioral Science Research Center

Director			Areas of Research
	Douglas Williams	(202) 691-5707	Survey nonresponse, experimental methods and design, questionnaire design, qualitative testing, paradata, web and mobile survey design.
Research Psychologists			Areas of Research
	Jean Fox	(202) 691-7370	Usability, user experience, user interface design, usability testing, computer-assisted data collection.
	Robin Kaplan	(202) 691-7383	Cognitive sources of measurement error, memory retrieval, context effects, questionnaire design, experimental and qualitative research methods, usability.
	Brandon Kopp	(202) 691-7514	Nonresponse and measurement errors, questionnaire and instrument design, cognitive interviewing, usability.
	Erica Yu	(202) 691-7924	Cognitive sources of measurement error, experimental methods, questionnaire design, interviewer behavior.

Research Statisticians			Areas of Research
	David Biagas	(202) 691-5558	Cognitive sources of measurement error, experimental design, questionnaire design, response rates, and interviewer effects .
	John Dixon	(202) 691-7516	Nonresponse, nonsampling error, item nonresponse, measurement error, structural equation models, missing data problems, categorical data, psychometrics, multivariate methods, classification and clustering.
	Josh Langeland	(202) 691-5037	Adaptive Design; contact strategies; nonresponse adjustment; electronic response in establishment surveys
	Struther VanHorn	(202) 691-7568	Nonresponse and measurement errors, questionnaire design, qualitative research methods and cognitive interviewing, usability.
Cognitive Laboratory
	Stella Godbolt	(202) 691-7524	Schedules participants for studies, maintains database of volunteers, coordinates and assists with studies.