Idexx Laboratories

IDXX

HealthcareNMS$46.0B

IDXX SEC filings last scanned 22 Aug 2026, 16:48 UTC

CEO Timeline

Michael (Mike) EricksonCurrent

May 2026 — Present(4mo)

Michael Erickson was appointed President and Chief Executive Officer of IDEXX Laboratories, effective May 12, 2026, succeeding Jonathan Mazelsky.

2 source filings — click to expand

Jay MazelskyManually reviewed

Jun 2019 — May 2026(6y 11mo)

Jay Mazelsky was appointed Interim President and Chief Executive Officer of IDEXX Laboratories, effective June 28, 2019, succeeding Jonathan W. Ayers.

Jonathan Mazelsky resigned as President and Chief Executive Officer of IDEXX Laboratories, effective May 12, 2026, and will transition to Executive Chair of the Board.

5 source filings — click to expand

Jonathan W. Ayers

Since at least Mar 2005 — Jun 2019(14y 3mo)

serious bicycling accident on June 27, 2019 resulting in severe spinal cord injury

4 source filings — click to expand