Managing Partners
R. J. Wirth, PhD
Chief Executive Officer & Managing Partner
rjwirth@vpgcentral.com
Michael C. Edwards, PhD
Chief Strategy Officer & Managing Partner
mce@vpgcentral.com
Li Cai, PhD
Chief Scientific Officer & Managing Partner
lcai@vpgcentral.com
Directors
Carrie R. Houts, PhD
Director, Psychometrics
crhouts@vpgcentral.com
James S. McGinley, PhD
Director, Behavioral Analytics
Jim.McGinley@vpgcentral.com
Stephen du Toit, PhD
Director, Software Development
Stephen.duToit@vpgcentral.com
Rikki Mangrum, MLS
Director, Patient-Centered Research
Rikki.Mangrum@vpgcentral.com
Joel Epstein
Director, Business Development
Joel.Epstein@vpgcentral.com
Chuck Baker
Director, Program Management eCOA
Chuck.Baker@vpgcentral.com
Developers
Johan du Toit
Lead Software Developer
Johan.duToit@vpgcentral.com
Gerhard Mels, PhD
Senior Software Developer
Gerhard.Mels@vpgcentral.com
Shyan Lam
Senior Software Developer
Shyan.Lam@vpgcentral.com
Research Scientists
Dawn Buse, PhD
Senior Research Scientist
Dawn.Buse@vpgcentral.com
Mathilda du Toit, PhD
Senior Research Scientist
Mathilda.duToit@vpgcentral.com
Calvin J. Hall III, PhD
Research Scientist
Calvin.Hall@vpgcentral.com
Karolina Schantz, MPH
Research Scientist
karolina.schantz@vpgcentral.com
Research Associates
Lexy Bryant
Qualitative Research Associate
Lexy.Bryant@vpgcentral.com
Andrea Savord
Quantitative Research Associate
Andrea.Savord@vpgcentral.com
Project Management
Tracy Nishida, PhD
Program Manager, Consulting
Tracy.Nishida@vpgcentral.com
Janel Kinlaw
Program Manager, Software
Janel.Kinlaw@vpgcentral.com
Administration
Michael Bourke
Senior Administrative Coordinator
Michael.Bourke@vpgcentral.com
Amanda Kingsley
Administrative Assistant
Amanda.Kingsley@vpgcentral.com