Managing Partners
R. J. Wirth, PhD
Chief Executive Officer
rjwirth@vpgcentral.com
Michael C. Edwards, PhD
Chief Financial Officer
mce@vpgcentral.com
Li Cai, PhD
Chief Scientific Officer
lcai@vpgcentral.com
Consulting
Lexy Bryant
Senior Research Associate
Lexy.Bryant@vpgcentral.com
Dawn Buse, PhD
Senior Research Scientist
Dawn.Buse@vpgcentral.com
Heather Gerould, MS
Senior Research Scientist
Heather.Gerould@vpgcentral.com
Carrie R. Houts, PhD
Director, Psychometrics
crhouts@vpgcentral.com
Abdulatif Khujakulov
SAS Programmer
Abdulatif.Khujakulov@vpgcentral.com
Rikki Mangrum, MLS
Director, Patient-Centered Research
Rikki.Mangrum@vpgcentral.com
James S. McGinley, PhD
Director, Behavioral Analytics
Jim.McGinley@vpgcentral.com
Tracy Nishida, PhD
Senior Project Manager
Tracy.Nishida@vpgcentral.com
Andrea Savord, PhD
Associate Statistician
Andrea.Savord@vpgcentral.com
Karolina Schantz, MPH
Research Scientist
Karolina.Schantz@vpgcentral.com
Charis Yousefian, MA
Lead Research Scientist
Charis.Yousefian@vpgcentral.com
Statistical Software
Johan du Toit
Lead Developer
Johan.duToit@vpgcentral.com
Mathilda du Toit, PhD
Senior Research Scientist
Mathilda.duToit@vpgcentral.com
Stephen du Toit, PhD
Director, Software Development
Stephen.duToit@vpgcentral.com
Janel Kinlaw
Project Manager
Janel.Kinlaw@vpgcentral.com
Gerhard Mels, PhD
Senior Developer
Gerhard.Mels@vpgcentral.com
eCOA
Chuck Baker
Director, Program Management
Chuck.Baker@vpgcentral.com
Meredith MacDonald
Project Manager
Meredith.MacDonald@vpgcentral.com
Administrative
Michael Bourke
Senior Administrative Coordinator
Michael.Bourke@vpgcentral.com
Amanda Kingsley
Administrative Assistant
Amanda.Kingsley@vpgcentral.com