$ILMN

Jacob Thaysen

Illumina

CEO • Since 2023 • Health Care

📊 CEO Reputation Score

FY2025 vs FY2024 · Source: SEC EDGAR filings

82/100

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: $709M → $931M (+31.3% YoY) — fiscal 2025 vs fiscal 2024
Profit (net income): −$1.2B → $850M (+169.5% YoY) — fiscal 2025 vs fiscal 2024

How this score works · S&P 500 reputation leaderboard

Overview

Jacob Thaysen is the ceo of Illumina since 2023. Illumina is a Health Care company headquartered in San Diego, California, founded in 1998, and one of the 500 companies in the S&P 500 — every one of which is profiled on this site.

Leadership

Jacob holds the chief executive role at Illumina with the title CEO — in post since 2023. This page is the concise leadership record for Illumina 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: $ILMN
Headquarters: San Diego, California
Founded: 1998
CEO since: 2023
Index: S&P 500 (#246 of 500)