Talk to the Institute
Back to Company Profile
Alpha

Alpha Profiles · Company Profile

QUEST DIAGNOSTICS INC

Canonical company identity and public leadership record.

https://registry.alpha.ac/companies/quest-diagnostics-inc

Quest Diagnostics logo
Entity
Public listing published
Primary listing
NYSE: DGX
Verification
Partially verified
Last reviewed
2026-10-16T04:45:23.789286+00:00

Overview

Alpha's canonical identity and public leadership record for Quest Diagnostics.

Canonical AEGIS identity graph

Executive leadership

Current, confirmed roles are shown only when both the person Profile and supporting source record satisfy the public projection boundary. A missing role is not evidence that it does not exist.

Executive team

7 public records

Governance leadership

Boards & Committees

Board and committee assignments appear only when the canonical public projection retains a current role and supporting source. Unpublished records are not interpreted as absence.

Record as of Oct 16, 2026. Chair, executive office, Lead Independent Director and committee appointments retain their separate source roles. A complete board composition denominator and committee charters are not established by a partial roster.

Board roles

11 public records

Committees

7 public records

Membership and chair roles are projected from current board seats. A chair is shown only when a stored chair flag says so.

Audit and Finance

Chair
Gary M. Pfeiffer
Members
Gary M. Pfeiffer (Chair); Robert Carter; Timothy L. Main; Tracey C. Doi; Wright L. Lassiter III

Compensation and Leadership Development

Chair
Denise M. Morrison
Members
Denise M. Morrison (Chair); Gary M. Pfeiffer; Timothy C. Wentworth; Timothy M. Ring; Vicky B. Gregg

Cybersecurity

Chair
Not stated
Members
Denise M. Morrison; Robert Carter; Timothy L. Main

Executive

Chair
Not stated
Members
Gary M. Pfeiffer; James E. Davis; Timothy M. Ring

Governance

Chair
Timothy M. Ring
Members
Timothy M. Ring (Chair); Denise M. Morrison; Gary M. Pfeiffer; Timothy L. Main; Vicky B. Gregg

Quality and Compliance

Chair
Not stated
Members
Timothy C. Wentworth; Tracey C. Doi; Vicky B. Gregg; Wright L. Lassiter III

Technology

Chair
Timothy L. Main
Members
Timothy L. Main (Chair); Denise M. Morrison; Robert Carter

Source record

Alpha canonical company public projection

Supports Company identity, Published leadership, Entity status boundary

Reviewed 2026-10-16T04:45:23.789286+00:00

QUEST DIAGNOSTICS INC Form 10-K (filed 2026-02-26)

Supports Official website

Reviewed 2026-08-29T22:26:50Z

Generated 2026-10-16T04:52:22.851Z

Data as of 2026-10-16T04:45:23.789286+00:00

https://registry.alpha.ac/companies/quest-diagnostics-inc