Geisinger EHP Logo

Meet the staff

Man silhouette
Cletus Baidoo, MD
Anatomic and Clinical Pathology, Cytopathology
Man silhouette
Andrew Campbell, PhD
Associate Director, Clinical Genomics Development
Man silhouette
Gustaaf de Ridder, MD, PhD
System Director, Transfusion Services Section Director, Apheresis and Patient Blood Management
Keri Donaldson
Keri Jon Donaldson, MD
Vice Chair, Clinical Pathology
Women silhouette
Michelle Grant, DO
Anatomic and Clinical Pathology, Hematopathology, Transfusion Medicine System Director, Coagulation
Women silhouette
Julie W. Hirschhorn, PhD, HCLD (ABB)
Molecular Microbiology System Director
Women silhouette
Sheng-Ying (Margaret) Lo, PhD, DABCC
Associate Director, Clinical Chemistry
Randin Nelson
Randin Nelson, MD
Associate Director and Section Director, Blood Bank and Stem Cell Laboratory
Scott Peters
Scott M. Peters, DDS
Oral and Maxillofacial Pathology
Women silhouette
Faraz Caroline Tahmasebi, MD
Anatomic and Clinical Pathology
Donna Wolk
Donna Wolk, MHA, PhD, D(ABMM)
Director, Clinical Microbiology
Youzhong Yuan
Youzhong Yuan, MD, PhD
Anatomic Pathology, Clinical Pathology, Hematopathology