$AON

Greg Case

Aon

President & CEO • Since 2005 • Financials

📊 CEO Reputation Score

FY2025 vs FY2024 · Source: SEC EDGAR filings

67/100

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: $2.8B → $3.2B (+14.2% YoY) — fiscal 2025 vs fiscal 2024
Profit (net income): $2.7B → $3.7B (+39.2% YoY) — fiscal 2025 vs fiscal 2024

How this score works · S&P 500 reputation leaderboard

Overview

Greg Case is the president & ceo of Aon since 2005. Aon is a Financials company headquartered in London, United Kingdom, founded in 1982, and one of the 500 companies in the S&P 500 — every one of which is profiled on this site.

Leadership

Greg holds the chief executive role at Aon with the title President & CEO — in post since 2005. This page is the concise leadership record for Aon 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: Financials
Ticker: $AON
Headquarters: London, United Kingdom
Founded: 1982
CEO since: 2005
Index: S&P 500 (#35 of 500)