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Leadership History

IDEXX Laboratories: CEO History

3 leaders · Full leadership timeline

Who is the CEO of IDEXX Laboratories?

Jay Mazelsky is the CEO of IDEXX Laboratories.

Current CEO
Jay Mazelsky
Leaders documented
3
Founded
1983
NameRoleFromToYears in role
Jay MazelskyCEO—Present—
Jonathan AyersCEO—Present—
Brian McKeonCEO—Present—

Company Overview

IDEXX Laboratories represents one of the most remarkable compounders in global healthcare, pioneering the commercialization of modern biological diagnostics for companion animals (dogs and cats). As pet ownership has transitioned from utilitarian pet keeping to the profound humanization of pets—where owners treat animals as beloved family members willing to spend whatever is necessary on medical care—veterinary medicine has evolved into a sophisticated, technology-rich discipline. IDEXX equips veterinary clinics with comprehensive in-clinic blood and urine testing systems, connects them to a worldwide network of specialized reference pathology laboratories, and operates the cloud software that runs the entire clinic workflow. Operating with recurring revenue exceeding 90% and operating margins above 30%, IDEXX is a peerless market leader with virtually insurmountable switching barriers.

IDEXX operates a classic, highly profitable razor-and-blade business model centered on long-term veterinary clinic relationships. The company places in-clinic diagnostic instruments (chemistry, hematology, and urinalysis analyzers) in veterinary clinics under multi-year customer commitments (typically 6-year contracts). Once an analyzer is installed, the clinic must exclusively purchase IDEXX's proprietary, single-use test slides, reagent packs, and calibration cartridges for every diagnostic test run on a sick or wellness pet, generating recurring, high-margin consumable revenue. CAG Diagnostics Recurring Revenue (consumables, reference lab tests, and software subscriptions) accounts for over 90% of total company revenue. In veterinary software, IDEXX charges recurring monthly SaaS fees for cloud practice management platforms (ezyVet) and digital imaging storage.

Jay Mazelsky

CEO

Jonathan Ayers

CEO

Brian McKeon

CEO

IDEXX Laboratories CEO and Leadership FAQ

Who is the CEO of IDEXX Laboratories?

Jay Mazelsky serves as the President and Chief Executive Officer of IDEXX Laboratories.

Who are the other key executives at IDEXX Laboratories?

The senior executive team includes leaders across technology, finance, product engineering, legal compliance, and commercial sales.

What is IDEXX Laboratories's corporate governance philosophy?

IDEXX Laboratories adheres to high standards of corporate transparency, data privacy, stakeholder alignment, and long-term value creation.

Where are IDEXX Laboratories's executive headquarters located?

IDEXX Laboratories maintains its principal executive offices in Westbrook, United States.

How does leadership prioritize capital allocation?

Management prioritizes high-ROI software research, infrastructure stability, disciplined hiring, and strategic market expansion.

How is the Board of Directors composed?

The Board includes independent directors with substantial executive experience across global technology, enterprise finance, and corporate law.

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.