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Update on Change Healthcare Cyber Event

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On Feb. 21, 2024, Change Healthcare announced that they had been compromised by a cyber event. The cyber event is the largest ever reported in the U.S. and affected approximately one-third of all U.S. healthcare transactions. 

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Contacts for the AHN Research Institute

Keith Lejeune

Senior Vice President,
Research and Innovation
keith.lejeune@ahn.org
(412) 330-2413

Tariq Cheema

Vice President / Medical Director
tariq.cheema@ahn.org

Marla Harris

Director, Research and Sponsored Program Administration
marla.harris@ahn.org
(412) 330-2412

Amy Cupps

Director, Preclinical Facilities
amy.cupps@ahn.org
(412) 359-6088

Laurie Dennis

Director, Interdisciplinary
Clinical Research 
laurie.dennis@ahn.org
(412) 330-6152

Lori Hassett

Administrative Director, Sponsored Research
lori.hassett@ahn.org
(412) 330-6110

Dawnmarie DeFazio, CHRC, CIP

Director, Clinical Research and
Regulatory Affairs
Dawnmarie.DeFazio@ahn.org
(412) 330-6192

Contacts by Institute

Cancer Institute

Sue Schoonover

Administrative Director, AHN Cancer Institute 
susan.schoonover@ahn.org
(412) 359-5646

Melissa Tian

Administrative Director, Oncology & Esophageal and Lung Research
melissa.tian@ahn.org
(412) 359-3748

Cardiovascular Institute

Matt Yeager

Administrative Director, Research,
Cardiovascular Institute (CVI)
matthew.yeager@ahn.org
(412) 359-8648

Medicine Institute

Linda Santelices

Administrative Director, AAAI
linda.santelices@ahn.org
(412) 578-5676

Neuroscience Institute

Sarah Kimutis

Manager, Clinical Research 
sarah.kimutis@ahn.org

Orthopaedic Institute

Boyle Cheng

Assistant Professor
boyle.cheng@ahn.org
(412) 359-4020

Emergency Medicine, Radiology & Surgery Institutes

Andy Johnston

Manager, Clinical Research
andrew.johnston@ahn.org

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