skip navigation

Administrative Leadership Team

The Administrative Leadership Team sets policy, establishes and maintains a productive work environment, and meets short and long-term leadership challenges for Group Health Center for Health Studies. All members of the team serve as representatives of Center staff. 

Executive Director
Eric B. Larson, MD, MPH, MACP
larson.e@ghc.org

Director, Operations
Helga Ding, DDS, MBA, MHA
ding.h@ghc.org

Associate Director, Internal Research
Jennifer McClure, PhD
mcclure.j@ghc.org

Associate Director, External Research
Katherine M. Newton, PhD
newton.k@ghc.org

Associate Director, Finance and Strategy
Dean Wagner, MS
wagner.d@ghc.org

Associate Director, MacColl Institute
Brian Austin
austin.b@ghc.org

Senior Manager, Communications
Joan DeClaire
declaire.j@ghc.org

Research Associate
Sarah M. Greene, MPH
greene.sm@ghc.org

Senior Manager, Grant and Contract Administration
Marcia Holiday
holiday.m@ghc.org

Senior Manager, Information Technology
Virginia Immanuel, MPH
immanuel.v@ghc.org

Senior Research Associate
Evette J. Ludman, PhD
ludman.e@ghc.org

Manager, Finance
Timothy O'Bar
obar.t@ghc.org

Senior Manager, Business Operations
Carol Sather (PHR)
sather.cc@ghc.org

Senior Manager, Research Operations
Katerina Skariba, MS, MHA
skariba.e@ghc.org