The IMSS Executive and Leadership Team

July, 2026

Leadership Overview

The IMSS has 10 executives leading key functions including strategy, technology, and personnel management.

Dedicated to health care and social protection, The IMSS provides stability and security to workers and their families, serving over half of the Mexican population and acting as the largest institution of its kind in Latin America.

Leadership Roles at The IMSS

  • Founder & Chief Executive Officer - Patricia Sandoz
  • Founder & Chief Executive Officer - Patricia O'Donnell
  • Chief Technology Officer - Zeeshan Gulzar
  • Jefe De Personal - Victor Sandoval
  • Jefe De Personal - Claudia Valladaes
  • Jefe De Personal - Maria Garay
  • Jefe De Personal - Eduardo Loyola
  • Jefe De Personal - Lilian Elizalde
  • Jefe De Grupo De Personal - Elizabeth Manzano
  • Jefe De Personal - Rosario Granados
  • Patricia Sandoz - Founder & Chief Executive Officer

    Patricia Sandoz, the Founder & Chief Executive Officer at The IMSS, directs the overarching strategy and operational framework for Mexico's largest health care and social protection institution. Overseeing the integration of medical research, practice, and resource management, Patricia Sandoz ensures the provision of stability and security to insured workers, pensioners, employers, health professionals, and the general public. This leadership role involves guiding the organization's mission to serve over half of the Mexican population, solidifying its position as the largest entity of its kind in Latin America. The Chief Executive Officer's focus remains on maintaining the institution's commitment to comprehensive health care and social protection, driving initiatives that enhance service delivery and expand reach across the nation. Sandoz's strategic vision underpins the organization's ability to adapt and thrive within the dynamic healthcare landscape.

    Patricia O'Donnell - Founder & Chief Executive Officer

    Patricia O'Donnell, the Founder & Chief Executive Officer at The IMSS, drives the strategic direction and operational execution for the institution's extensive health care and social protection services. Responsible for the complex interplay between medical research, clinical practice, and resource allocation, Patricia O'Donnell ensures the sustained delivery of stability and security to a vast demographic, including insured workers, pensioners, employers, and the general public. This executive leadership is critical to maintaining The IMSS's status as the largest institution of its kind in Latin America, impacting over half of the Mexican population. O'Donnell's mandate includes fostering innovation within healthcare delivery models and optimizing the management of resources to meet the evolving needs of the population. The Chief Executive Officer's efforts are central to upholding the institution's foundational commitment to comprehensive well-being and social protection across Mexico.

    Zeeshan Gulzar - Chief Technology Officer

    Zeeshan Gulzar, the Chief Technology Officer at The IMSS, architects and executes the technological vision for Mexico's largest health care and social protection institution. Overseeing all aspects of digital infrastructure, data management, and technological innovation, Zeeshan Gulzar ensures that advanced systems support the delivery of health care and social security to over half of the Mexican population. This role is pivotal in integrating cutting-edge technology with medical research and practice, enhancing operational efficiency and the security of sensitive information for workers, pensioners, employers, and health professionals. The Chief Technology Officer's strategic initiatives focus on leveraging technology to improve service accessibility, streamline resource management, and maintain The IMSS's leadership position in Latin America. Gulzar's leadership drives the digital transformation necessary for the institution's continued stability and growth.

    Victor Sandoval - Jefe De Personal

    Victor Sandoval, the Jefe De Personal at The IMSS, directs human resource management and personnel operations for the institution's extensive workforce. Overseeing recruitment, training, and employee relations, Victor Sandoval ensures that The IMSS maintains a highly skilled and motivated team dedicated to providing health care and social protection services. This leadership function is critical for supporting the organization's mission to serve over half of the Mexican population, ensuring operational continuity and service excellence. The Jefe De Personal's responsibilities include developing and implementing HR policies that align with the institution's strategic goals, fostering a productive work environment, and managing personnel resources effectively. Sandoval's focus remains on optimizing the human capital essential for The IMSS's stability and its role as the largest institution of its kind in Latin America.

    Claudia Valladaes - Jefe De Personal

    Claudia Valladaes, the Jefe De Personal at The IMSS, manages key aspects of personnel administration and workforce development for Mexico's largest health care and social protection institution. Overseeing the implementation of human resource strategies, Claudia Valladaes ensures that staff are equipped to deliver comprehensive services to insured workers, pensioners, employers, and the general public. This role is integral to maintaining the operational capacity required to support over half of the Mexican population, reinforcing The IMSS's commitment to stability and security. The Jefe De Personal's focus includes enhancing employee engagement, managing compensation and benefits, and ensuring compliance with labor regulations. Valladaes's leadership contributes significantly to the effective functioning of the institution and its standing in Latin America.

    Maria Garay - Jefe De Personal

    Maria Garay, the Jefe De Personal at The IMSS, oversees critical personnel functions and organizational development initiatives. Directing strategies for talent acquisition and retention, Maria Garay ensures that The IMSS possesses the necessary human capital to fulfill its mandate of health care and social protection for a significant portion of the Mexican population. This leadership position is vital for sustaining the institution's vast operational scale and its commitment to providing stability and security. The Jefe De Personal's responsibilities encompass fostering a positive workplace culture, managing performance evaluation systems, and aligning HR practices with the overarching objectives of The IMSS. Garay's contributions are essential to the effective management of personnel resources within this leading Latin American institution.

    Eduardo Loyola - Jefe De Personal

    Eduardo Loyola, the Jefe De Personal at The IMSS, directs the strategic management of human resources and personnel development across the institution. Overseeing the implementation of workforce planning and employee support programs, Eduardo Loyola ensures that The IMSS maintains a robust and capable team to deliver essential health care and social protection services. This role is fundamental to the institution's capacity to serve over half of the Mexican population, upholding its reputation for stability and security. The Jefe De Personal's focus includes optimizing HR processes, managing employee benefits, and promoting professional growth opportunities for staff. Loyola's expertise is crucial for the effective administration of personnel matters within this large-scale organization.

    Lilian Elizalde - Jefe De Personal

    Lilian Elizalde, the Jefe De Personal at The IMSS, leads critical human resource operations and personnel strategy implementation. Overseeing the development and execution of policies related to employee welfare and professional development, Lilian Elizalde ensures that The IMSS's personnel are well-supported and aligned with the institution's mission. This leadership function is vital for maintaining the high standards of health care and social protection provided to a vast segment of the Mexican population. The Jefe De Personal's responsibilities include managing employee records, facilitating training programs, and ensuring a productive and compliant work environment. Elizalde's efforts contribute directly to the operational effectiveness and stability of The IMSS.

    Elizabeth Manzano - Jefe De Grupo De Personal

    Elizabeth Manzano, the Jefe De Grupo De Personal at The IMSS, manages specific groups of personnel, ensuring their effective integration and performance within the institution's broader operational framework. Overseeing the day-to-day management and support for designated teams, Elizabeth Manzano facilitates the delivery of health care and social protection services across various departments. This role is essential for maintaining the operational efficiency required to serve a large segment of the Mexican population, contributing to the overall stability and security provided by The IMSS. The Jefe De Grupo De Personal's focus includes team coordination, performance monitoring, and ensuring adherence to institutional policies and procedures. Manzano's leadership supports the seamless functioning of personnel groups within this major Latin American entity.

    Rosario Granados - Jefe De Personal

    Rosario Granados, the Jefe De Personal at The IMSS, directs key personnel management functions and supports the institution's extensive workforce. Overseeing aspects of employee engagement and HR policy application, Rosario Granados ensures that The IMSS's personnel are equipped to provide vital health care and social protection services. This leadership role is crucial for sustaining the operational capacity needed to serve over half of the Mexican population, reinforcing the institution's commitment to stability and security. The Jefe De Personal's responsibilities include managing employee relations, facilitating HR-related communications, and contributing to the development of a supportive work environment. Granados's contributions are integral to the effective administration of human resources within The IMSS.

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    Frequently Asked Questions Regarding The IMSS Top Executives and Leadership Team

    Who leads The IMSS?
    The IMSS is led by Patricia Sandoz (Founder & Chief Executive Officer), along with executives such as Patricia O'Donnell (Founder & Chief Executive Officer) and Zeeshan Gulzar (Chief Technology Officer).
    Who is part of The IMSS’s executive team?
    The executive team of The IMSS includes leaders such as Patricia Sandoz (Founder & Chief Executive Officer), Patricia O'Donnell (Founder & Chief Executive Officer), Zeeshan Gulzar (Chief Technology Officer) and other senior executives.
    How many executives does The IMSS have?
    The IMSS has 10 executives leading key business areas.
    What roles are included in The IMSS’s leadership team?
    The leadership team of The IMSS includes roles such as Founder & Chief Executive Officer, Founder & Chief Executive Officer, Chief Technology Officer, Jefe De Personal, Jefe De Personal.