GBM Services Executive and Leadership Team

June, 2026

Leadership Overview

GBM Services has 8 executives leading key functions including strategy, operations, and administration.

Driven by a commitment to quality, GBM Services provides specialized disinfecting and decontamination services, ensuring safe environments across offices, schools, and gyms. The company's leadership philosophy centers on delivering tailored cleaning solutions and maintaining a high standard of service for a diverse clientele.

Leadership Roles at GBM Services

  • Chief Executive Officer - Sangyeol So
  • Co-Chief Executive Officer - Pedro Garay
  • Chief Operating Officer - Jose Herrera
  • Senior Partner & Chief Operating Officer - Bernardo Lobeira
  • President - Vovan Hermak
  • President - Jose Macouzet
  • Chief Administrative Officer - Rosanne Mischler
  • Chief Legal Officer - Natalia Saldate
  • Sangyeol So - Chief Executive Officer

    Sangyeol So, the Chief Executive Officer at GBM Services, directs the overarching strategic vision and corporate direction. Overseeing all major business units, the Chief Executive Officer ensures alignment with the company's mission to provide CDC and EPA approved disinfecting and decontamination services. This leadership role involves driving market expansion and fostering innovation within the cleaning solutions sector. By focusing on client needs, Sangyeol So guides GBM Services in maintaining its commitment to quality and service excellence across financial institutions, government buildings, and educational facilities. The Chief Executive Officer's strategic initiatives are crucial for sustained growth and operational efficiency, particularly in the competitive Long Island, NY market. So's leadership ensures the company remains at the forefront of COVID-19 prevention and specialized sanitization.

    Pedro Garay - Co-Chief Executive Officer

    Pedro Garay, the Co-Chief Executive Officer at GBM Services, collaborates with the Chief Executive Officer to shape and execute the company's strategic objectives. This role involves shared responsibility for driving the business forward, focusing on operational excellence and client satisfaction. The Co-Chief Executive Officer contributes to defining market strategies and ensuring the effective deployment of GBM Services' specialized disinfecting and decontamination offerings. Pedro Garay's involvement is key to maintaining the company's reputation for quality service and tailored cleaning solutions. This executive leadership ensures that GBM Services continues to meet the evolving needs of its diverse clientele, including offices, schools, and gyms, particularly within the Long Island, NY region. Garay's focus supports the company's mission of providing safe and sanitized environments.

    Jose Herrera - Chief Operating Officer

    Jose Herrera, the Chief Operating Officer at GBM Services, manages the day-to-day operational activities and ensures the efficient delivery of all services. Overseeing a team of over 350 staff members, the Chief Operating Officer is responsible for optimizing workflows and maintaining high standards in disinfecting and decontamination. This leadership position involves coordinating janitorial services, construction services, and floor care to meet client demands across Long Island, NY. Jose Herrera's operational oversight is critical for ensuring quality service and tailored cleaning solutions for financial institutions, government buildings, and educational facilities. The Chief Operating Officer drives operational improvements that support the company's commitment to COVID-19 prevention and overall facility sanitation. Herrera's focus ensures seamless execution of services.
    Jose Herrera

    Bernardo Lobeira - Senior Partner & Chief Operating Officer

    Bernardo Lobeira, the Senior Partner & Chief Operating Officer at GBM Services, contributes significantly to the strategic direction and operational execution of the company. This dual role involves overseeing key operational functions while also acting as a senior partner in guiding the firm's growth and development. The Senior Partner & Chief Operating Officer focuses on enhancing service delivery for disinfecting and decontamination, ensuring adherence to CDC and EPA standards. Bernardo Lobeira's responsibilities include managing complex projects and ensuring client satisfaction across diverse sectors like schools and gyms. This leadership ensures that GBM Services consistently provides quality service and customized cleaning plans. Lobeira's strategic input is vital for maintaining operational efficiency and expanding the company's reach in the Long Island, NY market.
    Bernardo Lobeira

    Vovan Hermak - President

    Vovan Hermak, the President at GBM Services, drives strategic initiatives and oversees key business development efforts. This leadership position focuses on expanding the company's service offerings and market penetration within the disinfecting and decontamination sector. The President works to enhance client relationships and ensure the consistent delivery of quality services across offices, schools, and gyms. Vovan Hermak's strategic vision is instrumental in guiding GBM Services' growth and maintaining its reputation for tailored cleaning solutions in Long Island, NY. This executive's focus supports the company's commitment to COVID-19 prevention and creating safe environments for all clients. Hermak's leadership fosters innovation and operational excellence.

    Jose Macouzet - President

    Jose Macouzet, the President at GBM Services, collaborates on strategic planning and operational oversight to advance the company's objectives. This role involves contributing to the expansion of services, including janitorial, construction, and floor care, ensuring comprehensive solutions for clients. The President works to uphold the high standards of disinfecting and decontamination that GBM Services is known for, particularly in the Long Island, NY area. Jose Macouzet's leadership supports the company's dedication to providing quality service and tailored cleaning plans for diverse clientele. This executive's efforts are crucial for maintaining operational integrity and driving client satisfaction across all sectors served by GBM Services. Macouzet's focus enhances the company's service delivery capabilities.

    Rosanne Mischler - Chief Administrative Officer

    Rosanne Mischler, the Chief Administrative Officer at GBM Services, directs all administrative functions and supports the operational efficiency of the organization. This role encompasses managing human resources, financial administration, and ensuring compliance with company policies and industry regulations. The Chief Administrative Officer plays a vital part in supporting the company's extensive team of over 350 staff members, facilitating smooth operations for disinfecting and decontamination services. Rosanne Mischler's administrative leadership ensures that GBM Services can effectively cater to its diverse clientele, including offices and educational facilities, by providing robust support systems. This executive ensures that administrative processes align with the company's commitment to quality and tailored cleaning solutions in Long Island, NY.
    Natalia Saldate, the Chief Legal Officer at GBM Services, provides expert legal counsel and ensures the company operates within all regulatory frameworks. This critical role involves overseeing legal affairs, managing contracts, and mitigating risks associated with disinfecting and decontamination services. The Chief Legal Officer ensures compliance with CDC and EPA guidelines, safeguarding the company's operations and client interests. Natalia Saldate's legal guidance is essential for GBM Services' commitment to quality and tailored cleaning solutions, particularly when serving financial institutions and government buildings. This executive's expertise supports the company's mission to provide safe environments and maintain its strong market position in Long Island, NY. Saldate's counsel is fundamental to risk management and corporate governance.

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    Frequently Asked Questions Regarding GBM Services Top Executives and Leadership Team

    Who leads GBM Services?
    GBM Services is led by Sangyeol So (Chief Executive Officer), along with executives such as Pedro Garay (Co-Chief Executive Officer) and Jose Herrera (Chief Operating Officer).
    Who is part of GBM Services’s executive team?
    The executive team of GBM Services includes leaders such as Sangyeol So (Chief Executive Officer), Pedro Garay (Co-Chief Executive Officer), Jose Herrera (Chief Operating Officer) and other senior executives.
    How many executives does GBM Services have?
    GBM Services has 8 executives leading key business areas.
    What roles are included in GBM Services’s leadership team?
    The leadership team of GBM Services includes roles such as Chief Executive Officer, Co-Chief Executive Officer, Chief Operating Officer, Senior Partner & Chief Operating Officer, President.