Key Personnel

Principal Investigators

David R. Flum, MD, MPH, University of Washington

David Talan, MD, Olive View-UCLA Medical Center

Director, Data Coordinating Center

Patrick Heagerty, PhD, University of Washington

Director, Clinical Coordinating Center

Giana H. Davidson, MD, MPH, University of Washington

Director, Stakeholder Coordinating Center

Danielle Lavallee, PhD, PharmD, University of Washington

Project Manager

Erin Carney, University of Washington

Project Manager, California

Anusha Krishnadasan, PhD

Patient Advisory Group

We have established a Patient Advisory Group that guides us in the design and implementation of the study. The Patient Advisory Group incorporates the “patient voice” and ensures that our study addresses issues that are meaningful to our appendicitis patients.


Bonnie Bizzell


Kimberly Deeney

Mary Guiden

Miriam Hernandez 

Elliott Skopin

Meridith A. Weiss

Heather VanDusen Wilson

National Advisory Group

Our National Advisory Group is made up of leaders from public and private payers, national employers, research policy and clinical organizations, and surgical quality improvement collaborative groups. National advisors help disseminate study results and ensure they are accessible to broad audiences. Learn more about our National Advisory Group members.

Keith Abernathy

Managing Director, Human Captial Operations
Alaska Airlines

Emily E. Anderson, PhD,MPH

Assistant Professor,
Neiswanger Institute for Bioethics

Karl Y Bilimoria, MD, MS

John B. Murphy Professor of Surgery
Director, Surgical Outcomes and Quality Improvement Center
Vice Chair for Quality, Department of Surgery
Feinberg School of Medicine, Northwestern University

Michael L. Callaham, MD

Editor-in-Chief, Annals of Emergency Medicine
American College of Emergency Physicians

Darrell A Campbell, Jr, MD

Chief Medical Officer
University of Michigan Health System

Fergal Fleming, MD, FRCS

Assistant Professor of Surgery and Oncology
University of Rochester Medical Center

David B. Hoyt, MD, FACS

Executive Director
American College of Surgeons

SreyRam Kuy, MD, MHS, FACS

Chief Medical Officer
Louisiana Medicaid

Daniel Lessler, MD, MHA, FACP

Cheif Medical Officer
Washington State Health Care Authority

Alison Rein, MS

Senior Director, Evidence Generation and Translation

Mark T. Steele, MD

Chief Medical Officer and Chief Operating Officer
Truman Medical Centers


Emeritus Professor of Surgery and Pediatrics
University of Florida College of Medicine–Jacksonville

Richard W. Whitten, MD, MBA, FACP

Medicare Contractor Medical Director
FP Medical Policy
Noridian Health Solutions