Hospitales MAC Executive and Leadership Team

September, 2026

Leadership Overview

Hospitales MAC has 5 executives leading key functions including strategic vision, financial management, operational efficiency, digital transformation, and organizational coordination.

Committed to excellence in healthcare across Mexico, Hospitales MAC delivers professional medical services while maintaining a deep social responsibility to the communities served through innovative health programs.

Leadership Roles at Hospitales MAC

  • Fundador, Presidente Y Chief Executive Officer - Miguel Siman
  • Chief Financial Officer - Sergio Rivera
  • Chief Operating Officer - Jose Lomeli Teran
  • Group Chief Technology Officer, En Hospitales MAC - Hans Omar
  • Deputy Chief of Staff - Munir Khoury
  • Miguel Siman - Fundador, Presidente Y Chief Executive Officer

    Miguel Siman, the Fundador, Presidente Y Chief Executive Officer at Hospitales MAC, directs the overarching strategic vision for the entire hospital group. By prioritizing warmth and professional excellence, the Chief Executive Officer expands the footprint of the organization across multiple Mexican states. This leadership role involves constant collaboration with national and international insurance providers to ensure accessible healthcare for diverse patient populations. Miguel Siman architected the current growth model, focusing on high-quality surgical procedures and comprehensive emergency care services. The Fundador, Presidente Y Chief Executive Officer maintains a strong social commitment, integrating community support initiatives into the core business model. Through rigorous oversight of hospital operations, the Chief Executive Officer guarantees that every facility meets stringent medical standards. This executive leadership drives the long-term sustainability of the group, ensuring that the mission of providing superior healthcare remains the primary focus of all regional operations.
    Miguel Siman

    Sergio Rivera - Chief Financial Officer

    Sergio Rivera, the Chief Financial Officer at Hospitales MAC, manages the fiscal health and capital allocation strategies for the rapidly growing hospital network. Overseeing complex financial reporting, the Chief Financial Officer ensures that all medical facilities maintain profitability while investing in advanced surgical technology. Rivera directs the integration of insurance billing systems, facilitating seamless cooperation with international and national providers. This leadership role requires constant monitoring of market trends to optimize resource distribution across various states in Mexico. Sergio Rivera executes financial planning that supports the expansion of maternity and emergency care services. By balancing operational costs with the necessity for high-quality patient care, the Chief Financial Officer secures the economic foundation of the organization. This financial oversight allows the group to pursue ambitious growth targets while upholding the social commitment to community health programs, ultimately strengthening the market position of the entire hospital network.

    Jose Lomeli Teran - Chief Operating Officer

    Jose Lomeli Teran, the Chief Operating Officer at Hospitales MAC, supervises the daily clinical and administrative workflows across all hospital locations. By standardizing medical protocols, the Chief Operating Officer ensures consistent delivery of professional healthcare services throughout the national network. Teran directs the management of surgical suites and emergency departments, focusing on operational efficiency and patient safety. This leadership role involves coordinating with medical staff to maintain high standards of care during complex procedures. Jose Lomeli Teran architected the logistical framework that supports the rapid expansion of the group into new geographic regions. By optimizing internal processes, the Chief Operating Officer reduces wait times and improves the overall patient experience. This operational focus directly supports the mission of the organization, ensuring that every facility functions as a center of excellence. Through meticulous attention to detail, the Chief Operating Officer maintains the high quality of service expected by patients and insurance partners alike.

    Hans Omar - Group Chief Technology Officer, En Hospitales MAC

    Hans Omar, the Group Chief Technology Officer, En Hospitales MAC at Hospitales MAC, drives the digital transformation of the healthcare infrastructure. Overseeing the implementation of advanced medical information systems, the Group Chief Technology Officer, En Hospitales MAC ensures that patient data remains secure and accessible across all hospital sites. Omar directs the integration of modern diagnostic tools and surgical technology to enhance clinical outcomes. This leadership role involves aligning technical capabilities with the broader strategic goals of the organization. Hans Omar architected the digital roadmap that supports the expansion of services into new markets, ensuring that technology scales alongside the physical growth of the group. By automating administrative tasks, the Group Chief Technology Officer, En Hospitales MAC improves operational efficiency for medical staff. This focus on innovation allows the organization to provide cutting-edge care, maintaining a competitive edge in the healthcare industry while supporting the overall mission of professional excellence.

    Munir Khoury - Deputy Chief of Staff

    Munir Khoury, the Deputy Chief of Staff at Hospitales MAC, coordinates executive communication and facilitates the execution of strategic initiatives across the leadership team. By managing the flow of information between departments, the Deputy Chief of Staff ensures that all operational goals align with the core mission of the organization. Khoury directs the implementation of internal policies that support the professional standards of the hospital group. This leadership role involves working closely with the Chief Executive Officer to monitor the progress of community health programs and social initiatives. Munir Khoury architected the internal reporting structures that allow for rapid decision-making during periods of expansion. By fostering collaboration between clinical and administrative leaders, the Deputy Chief of Staff maintains organizational cohesion. This role is essential for the smooth functioning of the executive office, ensuring that the strategic vision of the group translates into tangible improvements in patient care and community support across all regions.

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    Frequently Asked Questions Regarding Hospitales MAC Top Executives and Leadership Team

    Who leads Hospitales MAC?
    Hospitales MAC is led by Miguel Siman (Fundador, Presidente Y Chief Executive Officer), along with executives such as Sergio Rivera (Chief Financial Officer) and Jose Lomeli Teran (Chief Operating Officer).
    Who is part of Hospitales MAC’s executive team?
    The executive team of Hospitales MAC includes leaders such as Miguel Siman (Fundador, Presidente Y Chief Executive Officer), Sergio Rivera (Chief Financial Officer), Jose Lomeli Teran (Chief Operating Officer) and other senior executives.
    How many executives does Hospitales MAC have?
    Hospitales MAC has 5 executives leading key business areas.
    What roles are included in Hospitales MAC’s leadership team?
    The leadership team of Hospitales MAC includes roles such as Fundador, Presidente Y Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Group Chief Technology Officer, En Hospitales MAC, Deputy Chief of Staff.