G4S Executive and Leadership Team

July, 2026

Leadership Overview

G4S has 8 executives leading key functions including revenue generation, financial oversight, human capital management, and product development.

Dedicated to providing comprehensive security solutions, G4S drives operational excellence and client trust through strategic leadership and a commitment to innovation in the security sector.

Leadership Roles at G4S

  • Deputy Chief Financial Officer - Gail Hess
  • Chief Financial Officer, Brasil - Weslley de Carvalho
  • Chief Revenue Officer - Arief Dp
  • Chief People Officer - Ebanie Lewis
  • Certified Protection Officer & Chief People Officer - Taleb Alkorbi
  • Chief People Officer & Post Commander - Efren Jimenez
  • Chief People Officer, Armed Security - James Levingston
  • Chief Product Officer & Supervisor - Tracy Barham
  • Gail Hess - Deputy Chief Financial Officer

    Gail Hess, the Deputy Chief Financial Officer at G4S, supports the Chief Financial Officer in managing the company's financial operations and strategic fiscal planning. Hess oversees critical financial reporting processes and contributes to budget management, ensuring accuracy and compliance across all financial activities. This role involves close collaboration with various departments to monitor expenditures and identify cost-saving opportunities, thereby enhancing operational efficiency. By providing in-depth financial analysis and insights, Gail Hess aids in informed decision-making and supports the company's long-term financial stability and profitability. Hess also plays a key part in risk assessment and mitigation strategies within the finance division.

    Weslley de Carvalho - Chief Financial Officer, Brasil

    Weslley de Carvalho, the Chief Financial Officer, Brasil at G4S, directs all financial operations and fiscal strategy within the Brazilian market. Carvalho oversees financial planning, budgeting, and reporting, ensuring strict adherence to local regulations and international financial standards. This leadership position involves managing treasury functions, optimizing cash flow, and driving financial performance across all Brazilian business units. By providing critical financial insights and strategic guidance, Weslley de Carvalho supports sustainable growth and profitability in the region. Carvalho also leads initiatives to enhance financial controls and mitigate fiscal risks, solidifying G4S's financial integrity in Brasil.

    Arief Dp - Chief Revenue Officer

    Arief Dp, the Chief Revenue Officer at G4S, directs all revenue-generating activities and sales strategies. Overseeing global sales teams, Dp ensures alignment with corporate growth objectives and market expansion targets. This leadership role involves optimizing the sales funnel and driving revenue streams through strategic partnerships and client acquisition. By developing and executing innovative sales initiatives, Arief Dp directly impacts the company's financial performance and market penetration. Ultimately, Dp secures sustainable revenue growth and enhances G4S's competitive position in the security services industry.

    Ebanie Lewis - Chief People Officer

    Ebanie Lewis, the Chief People Officer at G4S, leads all human capital management strategies and initiatives. Lewis oversees talent acquisition, employee development, and organizational culture, ensuring a high-performing and engaged workforce. This role involves designing and implementing HR policies that support G4S's business objectives and foster a positive work environment. By championing employee well-being and professional growth, Ebanie Lewis drives retention and attracts top talent essential for the company's success. Lewis also manages compensation and benefits programs, aligning them with market competitiveness and strategic goals.

    Taleb Alkorbi - Certified Protection Officer & Chief People Officer

    Taleb Alkorbi, the Certified Protection Officer & Chief People Officer at G4S, integrates frontline security expertise with strategic human resources leadership. Alkorbi oversees people operations, focusing on talent management and employee engagement within security personnel teams. This dual role ensures that HR strategies directly support operational security requirements and enhance the capabilities of protection officers. By fostering a culture of excellence and continuous improvement, Taleb Alkorbi drives both workforce development and the effective delivery of security services. Alkorbi's leadership ensures that G4S maintains a highly skilled and motivated security force.

    Efren Jimenez - Chief People Officer & Post Commander

    Efren Jimenez, the Chief People Officer & Post Commander at G4S, bridges human resources strategy with direct operational command of security posts. Jimenez leads people initiatives, focusing on recruitment, training, and retention of security personnel, while also managing the day-to-day operations and effectiveness of assigned security posts. This integrated approach ensures that HR policies directly enhance operational readiness and team performance. By cultivating a disciplined and skilled workforce, Efren Jimenez drives both employee satisfaction and the successful execution of security mandates. Jimenez's leadership ensures seamless integration between personnel management and frontline security delivery.

    James Levingston - Chief People Officer, Armed Security

    James Levingston, the Chief People Officer, Armed Security at G4S, spearheads human capital strategies specifically for the armed security division. Levingston directs the recruitment, vetting, training, and ongoing development of armed security personnel, ensuring the highest standards of professionalism and operational readiness. This specialized role involves creating robust HR frameworks that address the unique demands and risks associated with armed security operations. By fostering a culture of accountability and continuous skill enhancement, James Levingston ensures the integrity and effectiveness of G4S's armed security services. Levingston's leadership guarantees a highly qualified and disciplined team.

    Tracy Barham - Chief Product Officer & Supervisor

    Tracy Barham, the Chief Product Officer & Supervisor at G4S, drives the development and strategic direction of the company's security products and services. Barham oversees product innovation, market analysis, and the integration of new technologies to enhance G4S's offerings. This dual role ensures that product development aligns with operational needs and supervisory oversight maintains quality standards. By championing cutting-edge solutions, Tracy Barham enhances G4S's competitive edge and client value proposition. Barham's leadership guides the evolution of security technologies and service delivery models, ensuring G4S remains at the forefront of the industry.
    Tracy Barham

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    Frequently Asked Questions Regarding G4S Top Executives and Leadership Team

    Who leads G4S?
    G4S is led by Gail Hess (Deputy Chief Financial Officer), along with executives such as Weslley de Carvalho (Chief Financial Officer, Brasil) and Arief Dp (Chief Revenue Officer).
    Who is part of G4S’s executive team?
    The executive team of G4S includes leaders such as Gail Hess (Deputy Chief Financial Officer), Weslley de Carvalho (Chief Financial Officer, Brasil), Arief Dp (Chief Revenue Officer) and other senior executives.
    How many executives does G4S have?
    G4S has 8 executives leading key business areas.
    What roles are included in G4S’s leadership team?
    The leadership team of G4S includes roles such as Deputy Chief Financial Officer, Chief Financial Officer, Brasil, Chief Revenue Officer, Chief People Officer, Certified Protection Officer & Chief People Officer.