RUSCKOWSKI STEPHEN H

PrivateCIK: 1142624

Location

DEERFIELD, IL

Name & Role	Position	Tenure	Holdings
QUEST DIAGNOSTICS INC	Chairman, President and CEO	Since Feb 2019	—
TENET HEALTHCARE CORP	—	Since May 2023	—
BAXTER INTERNATIONAL INC	—	Since Aug 2023	—
ORACLE CORP	—	Since Nov 2025	—

QUEST DIAGNOSTICS INC

PositionChairman, President and CEO

TenureSince Feb 2019

Holdings—

TENET HEALTHCARE CORP

Position—

TenureSince May 2023

Holdings—

BAXTER INTERNATIONAL INC

Position—

TenureSince Aug 2023

Holdings—

Position—

TenureSince Nov 2025

Holdings—