Who We Are

Rebecca Tippett, Ph.D.

photo Rebecca TippettRebecca Tippett is the Director of Carolina Demography at the Carolina Population Center at UNC-Chapel Hill where she translates demographic and economic data into specific, usable information and knowledge to inform decision-making, evaluation, and policy. Rebecca works with a diverse array of clients, including non-profit organizations, government agencies, private industry, and individual citizens. Her work has included forecasting population trends to determine the demand for new schools, identifying target locations for new businesses, evaluating population estimation methods for the U.S. Census Bureau, and examining demographic and labor market factors associated with employee turnover. She regularly writes and presents about the impact of demographic and social trends in North Carolina.

e-mail: rebecca.tippett@unc.edu | phone: (919) 962-6151


Carolina Demography draws on decades of experience in demographic and population research among the highly talented Research Services staff at the Carolina Population Center.

Phil Bardsley, Ph.D. & Joyce Tabor
Research Programming Services

photo Phil BardsleyWith a doctorate in public health, Phil Bardsley has over 30 years of experience in population survey data collection, cleaning, management, analysis, and reporting on both domestic and international studies. He shares managerial responsibilities for the Research Programming Unit with Joyce Tabor, who has more than 25 years of experience in survey data and specializes in the management and analysis of sensitive data.photo Joyce Tabor

Phil and Joyce manage a staff of 10 programmers and analysts who provide a wide variety of programming and statistical skills from backgrounds in sociology, psychology, and biostatistics. All of the unit staff have strong skills using one or more data analysis programs, such as SAS, Stata, R, and Mplus, as well as data collection software including CSPro, Blaise, ODK, and QDS.

Lori Delaney, MLIS
Research Communications & Library Services

photo delaneyLori Delaney has 17 years of experience with library collections and resource centers, ten of which are in population-related collections. She oversees all user services including reference, circulation, interlibrary borrowing, and collection management. She helps CPC’s researchers find the information and resources they need to conduct high-quality, timely, and thorough research and provides guidance about scholarly communications issues such as copyright, public access to taxpayer-funded research manuscripts, and permissions to reuse previously-published content

As CPC’s media liaison, Lori also assists CPC’s researchers on enhancing the impact of their research. She promotes efforts to disseminate information about the Center’s research and coordinates media outreach activities by working with reporters and news media outlets to publicize CPC’s research.

Brian Frizzelle
Spatial Analysis Services

photo_frizzleBrian Frizzelle has 17 years of experience in the field of geospatial analysis. He has expertise in many aspects of geographic information science, including vector analysis, remote-sensing, GPS-based field data collection, and spatial simulation modeling. He provides consultation services to researchers to define appropriate spatial methodologies to enhance their research and design protocols to protect the confidentiality of study participants.

Brian manages four highly skilled analysts who have more than 60 combined years of experience in geospatial analysis. They offer CPC researchers a suite of services that add an important spatial component to demographic studies. All spatial analysts are well-versed in a range of programming languages, including Python, VBA, R, SAS, and Stata, and are expert in the automation of complex geospatial applications.

Tim Van Acker
Information Technology Services

photo_vanackerTim Van Acker is the Director of Information Technology Services at the Carolina Population Center. His responsibilities include strategic planning, oversight, operation, and security of all systems operations and all user services and management of all systems staff. He also provides consultation to projects on sensitive data security issues and serves as the Manager of CPC’s Secure Data Facility. During his 22 years at UNC-Chapel Hill, he has served as a Systems Administrator, Applications Programmer, Systems Manager, and Security Advisor. Tim holds a B.A. in Humanities from Bob Jones University and he holds networking and security certifications from Microsoft (MCSE, MCT), Novell (CNE, CNE5, CNE6), and GIAC (GSEC Gold).

Ed Van Duinen
Web Services

photo VanDuinenEd Van Duinen, Web Services Director, has 17 years of experience building web-based systems. His expertise includes building public-facing web sites for research projects’ outreach and dissemination needs, private group collaboration and intranet sites, and custom tracking, reporting, and financial management systems. Ed manages a team of two other web programmers; together they work with numerous technologies to identify and implement the most appropriate tool to meet the needs of a project.

In addition, Carolina Demography draws on the expertise of more than 60 faculty fellows from 15 academic disciplines for insight and support.