In the News

New R Packages Enhance Complex Survey Analysis

March 25, 2025

A new article sheds light on two important extensions to the survey package in R, enhancing how analysts handle complex survey data. The article by…

Press Release

Elizabeth Mannshardt Joins Westat as VP and Director, Statistics and Data Science

November 25, 2024

Elizabeth Mannshardt, PhD, joined Westat in November 2024 as Vice President and Director, Statistics and Data Science. Mannshardt brings a wealth of statistical and data…

Corporate Unit Directors

Elizabeth Mannshardt

Vice President & Director, Statistics & Data Science

Conference

Bridging Data Privacy and Public Policy Challenges

September 26, 2024

Westat staff participated in the recent 2024 Privacy and Public Policy Conference hosted to promote and strengthen collaboration among privacy experts, researchers, data stewards, data…

In the News

JSSAM Special SAE Issue Features Westat Expertise

April 19, 2024

Westat expertise in small area estimation (SAE) methods and applications are featured in a special virtual issue of the Journal of Survey Statistics and Methodology…

In the News

Erciulescu Named an Editor, International Statistical Review

April 16, 2024

Andreea Erciulescu, PhD, who is an Associate Vice President for Statistics and Data Science at Westat, has been invited to serve as an Editor for…

In the News

Modifying Methods for Hidden Population Estimates

January 3, 2024

Successive sampling population size estimation (SS-PSE) methods used to estimate the size of hidden populations rely on the assumption that the underlying social network of…

In the News

Combining State and County Data Enhances Local Health Prevalence

November 7, 2023

County-level health data provides invaluable local insights, but state surveys contain data at broader geographic levels. How can county-level statistics be reliably extracted from state…

Leadership

Andreea Erciulescu

Associate Vice President

Team Member

Sylvia K. Dohrmann

Associate Vice President