IDEXX Executive and Leadership Team

September, 2026

Leadership Overview

IDEXX has 4 executives leading key functions including strategy, operational coordination, human resources, and medical innovation.

Focused on advancing veterinary diagnostics and water quality, IDEXX delivers essential health monitoring solutions to global markets while maintaining a commitment to scientific excellence and improved animal care outcomes.

Leadership Roles at IDEXX

  • Chief Executive Officer & President - Michael (Mike) Erickson
  • Chief of Staff To the CEO - P. Mancini
  • Manager, Business Partner Human Resources - CAG Chief Financial Officer Commercial North America - Joanna Reatiraza
  • Senior Vice President, Chief Medical Officer - Jason Johnson
  • Michael (Mike) Erickson - Chief Executive Officer & President

    Michael (Mike) Erickson, the Chief Executive Officer & President at IDEXX, directs the overarching corporate strategy for the companion animal, livestock, and water testing segments. Overseeing global operations across North America, Europe, and the Asia Pacific, the Chief Executive Officer & President ensures alignment between diagnostic innovation and market expansion goals. This leadership role involves managing the integration of point-of-care instruments and reference laboratory services to maintain a competitive edge in the veterinary industry. By optimizing resource allocation across diverse international markets, Michael (Mike) Erickson drives long-term value for shareholders and stakeholders alike. The Chief Executive Officer & President fosters a culture of continuous improvement, ensuring that the company remains at the forefront of diagnostic technology. Through rigorous oversight of the three primary business segments, Erickson secures the operational stability necessary for sustained growth in the complex global animal health landscape.

    P. Mancini - Chief of Staff To the CEO

    P. Mancini, the Chief of Staff To the CEO at IDEXX, coordinates executive workflows and facilitates communication across the leadership team. Managing high-priority initiatives, the Chief of Staff To the CEO ensures that strategic objectives regarding veterinary diagnostic systems and water quality products receive consistent attention. This role involves synthesizing complex data from various departments to support informed decision-making at the highest level. By streamlining internal processes, P. Mancini enhances the efficiency of the executive office and supports the broader mission of delivering advanced health monitoring solutions. The Chief of Staff To the CEO acts as a primary liaison between the executive suite and operational managers, ensuring that corporate directives translate into actionable tasks. Through meticulous planning and organizational oversight, Mancini maintains the operational rhythm required to support the company's expansive international footprint and commitment to the biomedical research community.

    Joanna Reatiraza - Manager, Business Partner Human Resources - CAG Chief Financial Officer Commercial North America

    Joanna Reatiraza, the Manager, Business Partner Human Resources - CAG Chief Financial Officer Commercial North America at IDEXX, aligns human capital strategies with the financial and commercial objectives of the North American Companion Animal Group. Overseeing talent development and organizational design, the Manager, Business Partner Human Resources - CAG Chief Financial Officer Commercial North America ensures that the workforce possesses the technical expertise required to support advanced diagnostic imaging and practice management systems. This role involves partnering with financial leadership to optimize staffing models that drive commercial success. By fostering a high-performance culture, Joanna Reatiraza supports the delivery of rapid assay test kits and in-clinic chemistry solutions to veterinary practices. The Manager, Business Partner Human Resources - CAG Chief Financial Officer Commercial North America implements initiatives that enhance employee engagement and retention, directly impacting the company's ability to scale operations effectively across the competitive North American market.

    Jason Johnson - Senior Vice President, Chief Medical Officer

    Jason Johnson, the Senior Vice President, Chief Medical Officer at IDEXX, leads the clinical and scientific direction for the company's diagnostic portfolio. Overseeing the development of hematology, immunoassay, and coagulation analyzers, the Senior Vice President, Chief Medical Officer ensures that all products meet the highest standards of accuracy for the veterinary and biomedical research communities. This role involves collaborating with research teams to innovate new rapid assay test kits and diagnostic consulting services. By providing clinical oversight, Jason Johnson validates the efficacy of health monitoring solutions used by veterinarians globally. The Senior Vice President, Chief Medical Officer maintains strong relationships with the scientific community to ensure that the company's offerings remain grounded in the latest medical research. Through this focus on clinical integrity, Johnson supports the company's mission to improve the health and well-being of companion animals, livestock, and poultry through superior diagnostic technology.

    Frequently Asked Questions Regarding IDEXX Top Executives and Leadership Team

    Who leads IDEXX?
    IDEXX is led by Michael (Mike) Erickson (Chief Executive Officer & President), along with executives such as P. Mancini (Chief of Staff To the CEO) and Joanna Reatiraza (Manager, Business Partner Human Resources - CAG Chief Financial Officer Commercial North America).
    Who is part of IDEXX’s executive team?
    The executive team of IDEXX includes leaders such as Michael (Mike) Erickson (Chief Executive Officer & President), P. Mancini (Chief of Staff To the CEO), Joanna Reatiraza (Manager, Business Partner Human Resources - CAG Chief Financial Officer Commercial North America) and other senior executives.
    How many executives does IDEXX have?
    IDEXX has 4 executives leading key business areas.
    What roles are included in IDEXX’s leadership team?
    The leadership team of IDEXX includes roles such as Chief Executive Officer & President, Chief of Staff To the CEO, Manager, Business Partner Human Resources - CAG Chief Financial Officer Commercial North America, Senior Vice President, Chief Medical Officer.