ISS Executive and Leadership Team

June, 2026

Leadership Overview

ISS has 10 executives leading key functions including strategy, technology, finance, operations, and regional management.

Driven by a commitment to service excellence, ISS is dedicated to enhancing workplace efficiency and employee well-being through comprehensive facility management solutions, impacting global business operations.

Leadership Roles at ISS

  • Chief Executive Officer - Steven Quick
  • Chief Financial Officer - LongJing Hwa
  • Division President (East) - Joe Stolarski
  • President - Mark Carlisle
  • President - Cultural Committee - Abdullah Alyafei
  • President - Beniamino Barbieri
  • Chief Information Officer - Sting Choi
  • Chief Operations Officer - Sefa Dağtekin
  • Healthcare Executive - Aris Fetalvero
  • Healthcare Executive - Kavithira Devi
  • Steven Quick - Chief Executive Officer

    Steven Quick, the Chief Executive Officer at ISS, directs the overarching corporate strategy and global operational framework. Overseeing all business units, the Chief Executive Officer ensures alignment with the company's mission to provide integrated facility services. This leadership role involves driving innovation in service delivery and maintaining ISS's position as a global leader in the commercial services sector. By optimizing resource allocation and fostering a culture of continuous improvement, Steven Quick directly impacts the company's financial performance and market expansion. Ultimately, Quick secures long-term strategic growth and operational excellence across all geographies.

    LongJing Hwa - Chief Financial Officer

    LongJing Hwa, the Chief Financial Officer at ISS, manages the global financial operations and fiscal strategy. Overseeing all aspects of financial planning, reporting, and investment, the Chief Financial Officer ensures the fiscal health and sustainability of ISS. This critical role involves driving revenue growth, managing capital allocation, and maintaining strong investor relations. By implementing rigorous financial controls and identifying strategic investment opportunities, LongJing Hwa directly supports the company's expansion and profitability objectives. Ultimately, Hwa provides financial leadership to secure ISS's long-term economic stability and enhance shareholder value.

    Joe Stolarski - Division President (East)

    Joe Stolarski, the Division President (East) at ISS, leads all operational and strategic initiatives within the eastern division. Overseeing a broad portfolio of facility management and catering services, the Division President (East) drives business growth and client satisfaction in this key geographic region. This executive role involves managing regional P&L, developing market-specific strategies, and ensuring operational excellence across all service lines. By fostering strong client relationships and optimizing resource deployment, Joe Stolarski directly contributes to the division's revenue targets and market penetration. Ultimately, Stolarski ensures the effective execution of ISS's global strategy within the eastern territories.

    Mark Carlisle - President

    Mark Carlisle, the President at ISS, spearheads strategic growth and market development initiatives. Overseeing key business segments, the President drives the expansion of ISS's service offerings and strengthens its market presence. This leadership position involves identifying new business opportunities, forging strategic partnerships, and ensuring alignment with corporate objectives. By championing innovation and operational excellence, Mark Carlisle directly influences the company's competitive positioning and long-term success. Ultimately, Carlisle provides executive leadership to enhance ISS's global reach and service capabilities.

    Abdullah Alyafei - President - Cultural Committee

    Abdullah Alyafei, the President - Cultural Committee at ISS, leads initiatives focused on fostering diversity and inclusion within the organization. Overseeing the development and implementation of cultural programs, the President - Cultural Committee promotes an inclusive work environment that respects and values all employees. This role involves engaging with various employee groups to understand and address cultural needs and perspectives. By championing initiatives that enhance employee engagement and belonging, Abdullah Alyafei directly contributes to a positive corporate culture and strengthens employee retention. Ultimately, Alyafei ensures ISS cultivates a globally representative and harmonious workplace.

    Beniamino Barbieri - President

    Beniamino Barbieri, the President at ISS, directs strategic planning and business development efforts. Overseeing key market segments, the President drives the expansion of ISS's service portfolio and strengthens its competitive advantage. This executive function involves identifying growth opportunities, optimizing operational structures, and ensuring alignment with corporate objectives. By fostering innovation and operational excellence, Beniamino Barbieri directly contributes to the company's sustained growth and market leadership. Ultimately, Barbieri provides critical leadership to enhance ISS's global service delivery and client satisfaction.

    Sting Choi - Chief Information Officer

    Sting Choi, the Chief Information Officer at ISS, architects the global technology strategy and digital transformation initiatives. Overseeing IT infrastructure and cybersecurity, the Chief Information Officer ensures robust and secure digital operations supporting ISS's extensive service offerings. This leadership position involves driving the adoption of advanced technologies to enhance service delivery efficiency and client experience. By managing data analytics platforms and digital workflow solutions, Sting Choi directly contributes to operational optimization and informed decision-making across the organization. Ultimately, Choi safeguards the company's digital assets and propels technological innovation to meet evolving market demands.

    Sefa Dağtekin - Chief Operations Officer

    Sefa Dağtekin, the Chief Operations Officer at ISS, directs the execution of global operational strategies and service delivery. Overseeing the integration of catering, facility management, and cleaning services, the Chief Operations Officer ensures seamless service provision across diverse client portfolios. This leadership position focuses on optimizing operational efficiency, enhancing service quality, and driving best practices throughout the organization. By managing supply chain logistics and workforce deployment, Sefa Dağtekin directly impacts the company's ability to meet client needs effectively and maintain high standards of operational performance. Ultimately, Dağtekin ensures the consistent delivery of ISS's core services across all operating regions.

    Aris Fetalvero - Healthcare Executive

    Aris Fetalvero, the Healthcare Executive at ISS, directs specialized service delivery within the healthcare sector. Overseeing the provision of facility management, cleaning, and catering services tailored to healthcare environments, the Healthcare Executive ensures compliance with stringent industry standards. This role focuses on enhancing patient care environments through efficient and effective support services. By managing operational workflows and implementing best practices in healthcare facility support, Aris Fetalvero directly contributes to the safety and operational efficiency of healthcare clients. Ultimately, Fetalvero ensures ISS's commitment to quality and reliability in the critical healthcare market.

    Kavithira Devi - Healthcare Executive

    Kavithira Devi, the Healthcare Executive at ISS, drives the strategic development and execution of healthcare-specific service solutions. Overseeing the integration of ISS's core competencies into healthcare settings, the Healthcare Executive ensures the delivery of high-quality, compliant facility services. This position emphasizes enhancing operational efficiency and patient well-being through specialized support. By collaborating with healthcare providers to tailor service models, Kavithira Devi directly impacts the effectiveness and safety of healthcare environments. Ultimately, Devi ensures ISS provides indispensable support to the healthcare industry, meeting its unique and demanding requirements.

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    Frequently Asked Questions Regarding ISS Top Executives and Leadership Team

    Who leads ISS?
    ISS is led by Steven Quick (Chief Executive Officer), along with executives such as LongJing Hwa (Chief Financial Officer) and Joe Stolarski (Division President (East)).
    Who is part of ISS’s executive team?
    The executive team of ISS includes leaders such as Steven Quick (Chief Executive Officer), LongJing Hwa (Chief Financial Officer), Joe Stolarski (Division President (East)) and other senior executives.
    How many executives does ISS have?
    ISS has 10 executives leading key business areas.
    What roles are included in ISS’s leadership team?
    The leadership team of ISS includes roles such as Chief Executive Officer, Chief Financial Officer, Division President (East), President, President - Cultural Committee.