Aon Executive and Leadership Team

Byron Beebe, the Chief Executive Officer, Human Capital at Aon, directs the strategy and delivery of human resource consulting and outsourcing services. Overseeing the HR Solutions segment, the Chief Executive Officer, Human Capital ensures that retirement, compensation, and benefits administration services meet the evolving needs of global clients. This leadership role involves driving innovation in human capital management to help organizations build resilient workforces. By leveraging data and analytics, Byron Beebe directly impacts the firm's ability to provide strategic human capital advice. The Chief Executive Officer, Human Capital collaborates with the Board to align service offerings with broader market trends in human resource business process outsourcing. Through visionary leadership of the HR Solutions segment, Beebe secures the firm's position as a premier provider of human capital services. This executive focus on human capital excellence supports the firm's mission of empowering clients to navigate complex workforce challenges.

Sherif Zakhary, the Chief Executive Officer, Strategy & Technology Group and Inpoint at Aon, directs the development and implementation of strategic and technological solutions for insurance and reinsurance clients. Overseeing the Strategy & Technology Group and Inpoint, the Chief Executive Officer, Strategy & Technology Group and Inpoint ensures that data, analytics, and capital management advisory services drive client success. This leadership role involves leveraging technology to provide actionable insights that help clients navigate complex risk environments. By integrating strategic advisory with technological innovation, Sherif Zakhary directly impacts the firm's ability to deliver superior value to the insurance industry. The Chief Executive Officer, Strategy & Technology Group and Inpoint collaborates with other C-suite leaders to align these capabilities with the firm's global strategy. Through expert management of these groups, Zakhary secures the firm's position as a leader in providing data-driven risk and capital management solutions.

Gustavo Pinheiro, the Chief Financial Officer at Aon, manages the financial health and capital allocation strategies of the enterprise. Overseeing fiscal planning, the Chief Financial Officer ensures that investments in risk management and human capital consulting yield optimal returns. This leadership role involves rigorous analysis of market trends to guide the firm's financial trajectory. By maintaining robust capital management frameworks, Gustavo Pinheiro directly impacts the company's ability to provide comprehensive reinsurance and brokerage services. The Chief Financial Officer collaborates with other C-suite leaders to balance growth initiatives with risk mitigation requirements. Through disciplined financial oversight, Pinheiro secures the fiscal stability necessary for long-term market leadership. This executive responsibility encompasses the management of complex financial structures that support the firm's global operations, ensuring that capital remains aligned with the strategic priorities of the Risk Solutions and HR Solutions segments.

Mareida Mackenna, the Chief Financial Officer, Aon Business Services & Aon Service Corporation at Aon, directs the financial operations and service delivery economics for the firm's internal business services. Overseeing the cost structures and financial performance of shared services, the Chief Financial Officer, Aon Business Services & Aon Service Corporation ensures that internal support functions operate with maximum efficiency. This leadership role involves managing the financial health of the service corporation to support the broader Risk Solutions and HR Solutions segments. By optimizing internal financial processes, Mareida Mackenna directly impacts the firm's ability to provide cost-effective consulting and brokerage services. The Chief Financial Officer, Aon Business Services & Aon Service Corporation collaborates with operational leaders to align service delivery with financial targets. Through rigorous fiscal management, Mackenna secures the operational efficiency required to maintain the firm's competitive advantage in the global marketplace.

Mindy Simon, the Chief Operating Officer at Aon, directs the internal infrastructure and operational efficiency of the firm. Overseeing global business services, the Chief Operating Officer ensures that technology and data analytics platforms support the broader Risk Solutions and HR Solutions segments. This leadership role involves streamlining complex processes to enhance service delivery for insurance and reinsurance clients. By optimizing internal workflows, Mindy Simon directly impacts the scalability of the company's consulting and brokerage services. The Chief Operating Officer maintains alignment with the Board to ensure that operational investments drive long-term value. Through rigorous management of internal resources, Simon secures the operational foundation necessary for sustained growth across international markets. This executive focus on operational excellence allows the firm to maintain a competitive edge in the global risk management landscape.

Almudena Montoya, the Chief of Staff at Aon, coordinates executive priorities and facilitates cross-functional collaboration across the organization. Managing the flow of strategic initiatives, the Chief of Staff ensures that leadership decisions translate into actionable outcomes within the Risk Solutions and HR Solutions segments. This role involves bridging communication gaps between senior leadership and operational teams to maintain organizational agility. By synchronizing high-level objectives, Almudena Montoya directly supports the execution of the firm's global business strategy. The Chief of Staff monitors progress on key performance indicators to ensure alignment with corporate goals. Through meticulous oversight of executive projects, Montoya drives efficiency and clarity in decision-making processes. This leadership function remains vital for maintaining the cohesion of the firm's diverse service offerings while navigating the complexities of the global insurance and reinsurance brokerage industry.

Tzeitel Fernandes, the Chief of Staff (Asia Pacific) at Aon, directs strategic coordination and operational alignment within the Asia Pacific region. Overseeing regional initiatives, the Chief of Staff (Asia Pacific) ensures that local market strategies integrate seamlessly with the firm's global risk and human capital objectives. This leadership role involves managing regional stakeholder relationships and facilitating the implementation of corporate policies across diverse markets. By optimizing regional workflows, Tzeitel Fernandes directly impacts the delivery of insurance and reinsurance brokerage services to clients throughout the region. The Chief of Staff (Asia Pacific) monitors regional performance metrics to ensure that growth targets remain achievable. Through proactive management of regional priorities, Fernandes secures the operational consistency required for success in the competitive Asia Pacific landscape. This executive focus on regional integration supports the firm's broader mission of providing data-driven solutions to complex business challenges.

Jennifer Arzonetti, the Group Strategy Technology & Inpoint Chief of Staff at Aon, manages the intersection of strategic planning and technological deployment. Overseeing the integration of advanced analytics into the firm's service offerings, the Group Strategy Technology & Inpoint Chief of Staff ensures that technology platforms enhance the value provided by the Inpoint and strategy groups. This leadership role involves coordinating cross-functional teams to drive innovation in risk management and human capital consulting. By aligning technological capabilities with business strategy, Jennifer Arzonetti directly impacts the firm's ability to deliver data-driven insights to clients. The Group Strategy Technology & Inpoint Chief of Staff facilitates collaboration between technical experts and business leaders to accelerate product development. Through strategic oversight of these critical functions, Arzonetti secures the firm's position as a leader in technology-enabled risk and human resource solutions.

Colin Russell, the Chief Risk Officer (APAC) & Chief Revenue Officer at Aon, manages both the risk profile and revenue generation strategies within the Asia Pacific region. Overseeing the identification and mitigation of regional risks, the Chief Risk Officer (APAC) & Chief Revenue Officer ensures that business growth remains sustainable. This leadership role involves driving revenue through the expansion of insurance and reinsurance brokerage services across diverse markets. By balancing risk management with aggressive growth targets, Colin Russell directly impacts the firm's market share in the region. The Chief Risk Officer (APAC) & Chief Revenue Officer collaborates with regional teams to align service offerings with client needs. Through strategic oversight of revenue streams and risk exposure, Russell secures the financial performance of the firm's Asia Pacific operations. This executive focus on dual-purpose leadership supports the firm's mission of providing resilient risk solutions.

Regina Chen, the Head of Financial Services Professions Group, Operations Chief of Staff at Aon, manages the specialized advisory services for financial services clients while coordinating operational priorities. Overseeing the Financial Services Professions Group, the Head of Financial Services Professions Group, Operations Chief of Staff ensures that professional liability and risk management solutions meet the specific needs of the financial sector. This leadership role involves integrating operational efficiency into the delivery of these specialized services. By aligning the group's expertise with broader operational goals, Regina Chen directly impacts the firm's ability to provide high-value advisory services. The Head of Financial Services Professions Group, Operations Chief of Staff facilitates collaboration across the firm to ensure that financial services clients receive comprehensive support. Through strategic management of this group, Chen secures the firm's reputation for excellence in serving the complex risk needs of the financial industry.