Illumina, Inc.

ILMN

HealthcareNMS$19.3B

ILMN SEC filings last scanned 4 Oct 2026, 19:23 UTC

CEO Timeline

Jacob ThaysenCurrent

Sep 2023 — Present(3y 1mo)

Jacob Thaysen was appointed permanent CEO of Illumina, Inc., effective September 25, 2023, succeeding Charles Dadswell who had served as interim CEO.

3 source filings — click to expand

Charles DadswellInterim

Jun 2023 — Sep 2023(3mo)

Charles Dadswell, Illumina's Senior Vice President and General Counsel, was appointed interim Chief Executive Officer effective immediately, while continuing his General Counsel role, until a permanent CEO is found.

end of interim CEO term following permanent CEO search

5 source filings — click to expand

Francis deSouza

Jul 2016 — Jun 2023(6y 11mo)

Francis deSouza was elected President and CEO of Illumina, Inc., effective July 5, 2016, succeeding Jay T. Flatley.

resignation submitted to the Board

3 source filings — click to expand

Jay T. Flatley

Since at least Mar 2005 — Jul 2016(11y 4mo)

planned transition, elected Executive Chairman

3 source filings — click to expand