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