$DGX

James E. Davis

Quest Diagnostics

Chairman, President & CEO • Since 2022 • Health Care

📊 CEO Reputation Score

FY2025 vs FY2024 · Source: SEC EDGAR filings

71/100

Blend of this company's year-over-year free-cash-flow and profit improvement, each ranked as a percentile against every scored company in the three indexes.

Free cash flow: $909M → $1.4B (+49.5% YoY) — fiscal 2025 vs fiscal 2024
Profit (net income): $871M → $992M (+13.9% YoY) — fiscal 2025 vs fiscal 2024

How this score works · S&P 500 reputation leaderboard

Overview

James E. Davis is the chairman, president & ceo of Quest Diagnostics since 2022. Quest Diagnostics is a Health Care company headquartered in Secaucus, New Jersey, founded in 1967, and one of the 500 companies in the S&P 500 — every one of which is profiled on this site.

Leadership

James holds the chief executive role at Quest Diagnostics with the title Chairman, President & CEO — in post since 2022. This page is the concise leadership record for Quest Diagnostics in the S&P 500 CEO index; the site's fully researched long-form profiles (career timelines, education, achievements, setbacks, philosophy and sourced quotes) currently cover the index's ten largest companies, and this entry will be expanded in the same format.

At a Glance

Sector: Health Care
Ticker: $DGX
Headquarters: Secaucus, New Jersey
Founded: 1967
CEO since: 2022
Index: S&P 500 (#380 of 500)