Siteman Cancer Center’s cutting-edge facilities and nationally renowned staff would be nothing without the people who lead them. Our leadership team is comprised of doctors, some of whom have been with Siteman since its inception in 1999, who are committed to serving as a resource through every phase of the cancer journey.

Senior Leadership Committee

Eberlein 220x238
Timothy Eberlein, MD
Link 220x238
Daniel Link, MD
Deputy Director
Colditsz 220x238
Graham Colditz, MD, DrPH
Associate Director, Prevention and Control
Drake 220x238
Bettina Drake, PHD, MPH
Associate Director, Community Outreach & Engagement
Fisher 220x238
Nick Fisher, MBA
[email protected]
Executive Director, Research & Business Administration
Garcia 220x238
Benjamin Garcia, PhD, FRSC
Associate Director, Shared Resources
Govindan 220x238
Ramaswamy Govindan, MD
Associate Director, Translational Research

Aimee James

Aimee James, PhD
Co-Associate Director, Education and Training

Michalski 220x238
Jeff Michalski, MD, MBA
Medical Director, Clinical Trials
Ratner 220x238
Lee Ratner, MD, PhD
Co-Associate Director, Education and Training
Thompson 220x238
Vetta Sanders Thompson, PhD

Associate Director, Diversity, Equity & Inclusion
Stewart 220x238
Sheila Stewart, PhD
Associate Director, Basic Science


Senior Leaders at Large


Dehdashti 220x238
Farrokh Dehdashti, MD
Co-Leader: Oncologic Imaging Program
Denardo David
David DeNardo, PhD
PI – Pancreatic SPORE
Paola 220x238
Jorge Di Paola, MD
Professor and Division Chief of Hematology and Oncology, Department of Pediatrics
Hallahan 220x238
Dennis Hallahan, MD
Professor and Chair of Radiation Oncology
Khabeled 220x238
Dineo Khabele, MD
Professor and Chair of Obstetrics and Gynecology
Longnecker 220x238
Christina Longnecker, JD, MBA, BSN, RN
[email protected]
Vice President of Oncology Services
David Mutch
David G. Mutch, MD
PI – Endometrial SPORE
Payne 220x238
Philip Payne, PhD
Director, Institute for Informatics
Schmidt 220x238
Spring Schmidt

Community Representative