AECOM Executive and Leadership Team

Troy Rudd, the Chairman & Chief Executive Officer at AECOM, directs the overarching strategic vision for the global infrastructure consulting firm. Overseeing the entire project lifecycle, Rudd ensures that advisory, planning, design, and engineering services meet the highest standards of excellence for public and private sector clients. This leadership role involves managing complex challenges across transportation, water, and energy sectors to drive long-term growth and operational efficiency. By aligning corporate objectives with market demands, Troy Rudd maintains the firm's position as a trusted partner in infrastructure development. Rudd fosters a culture of innovation that supports the delivery of high-impact projects worldwide. Through rigorous oversight of business performance and capital allocation, the Chairman & Chief Executive Officer secures the financial health of the organization while expanding the global footprint of the firm.

Mark McManamny, the Chief Executive Officer, Zealand (Australia) at AECOM, leads the firm's strategic operations and business development efforts throughout the Australian and New Zealand markets. Overseeing a diverse portfolio of infrastructure projects, McManamny ensures that the firm delivers professional services in advisory, design, and engineering that meet the unique demands of the region. This leadership role involves navigating complex regulatory environments and building strong partnerships with public and private sector clients. By driving regional growth and operational efficiency, Mark McManamny expands the firm's influence in transportation and energy sectors. McManamny coordinates with global leadership to integrate international expertise into local project delivery. Through the management of regional talent and the pursuit of sustainable infrastructure solutions, the Chief Executive Officer, Zealand (Australia) secures the firm's reputation as a trusted partner for large-scale development projects.

Allison Hall, the Chief Financial Officer (Americas) at AECOM, manages the financial health and fiscal strategy for the firm's operations across the Americas. Overseeing budgeting, financial reporting, and risk management, Hall ensures that project delivery remains profitable and aligned with corporate financial targets. This leadership role involves providing the financial insights necessary to support complex engineering and construction management decisions. By optimizing capital allocation and monitoring regional performance, Allison Hall drives sustainable growth and operational efficiency. Hall collaborates with regional leadership to evaluate the financial viability of new infrastructure projects and advisory engagements. Through the implementation of rigorous financial controls and the analysis of market trends, the Chief Financial Officer (Americas) supports the firm's ability to solve complex challenges while maintaining long-term financial stability and delivering value to stakeholders.

David Didier, the Chief Operating Officer, Region (East) at AECOM, directs operational activities and project delivery across the eastern market territories. Overseeing the execution of transportation, building, and environmental projects, Didier ensures that regional operations adhere to the firm's high standards for engineering and construction management. This leadership role involves managing resource allocation and client relationships to solve complex infrastructure challenges within the region. By optimizing project workflows and maintaining strict quality control, David Didier drives operational excellence and profitability. Didier collaborates with other regional executives to share best practices and leverage the firm's global expertise for local project success. Through the effective management of regional teams and the pursuit of strategic growth opportunities, the Chief Operating Officer, Region (East) strengthens the firm's market position and ensures the successful completion of critical infrastructure programs.

Bill Brennan, the Chief of Staff at AECOM, coordinates executive operations and facilitates communication across the leadership team to ensure seamless execution of corporate initiatives. Managing the flow of information between departments, Brennan optimizes internal processes to support the firm's infrastructure consulting mission. This role involves synchronizing efforts across advisory, design, and construction management divisions to maintain alignment with the strategic goals established by the executive board. By streamlining decision-making frameworks, Bill Brennan enhances organizational agility and operational effectiveness. Brennan monitors project delivery metrics to ensure that the firm consistently meets the complex needs of clients in the transportation and environmental sectors. Through proactive management of cross-functional projects, the Chief of Staff drives internal cohesion and supports the successful implementation of large-scale infrastructure programs that define the company's market presence.

Daria Saeedi, the Chief Information Officer at AECOM, architects the digital infrastructure and technology strategy necessary to support global engineering and design operations. Overseeing the integration of advanced data analytics and project management software, Saeedi ensures that the firm leverages cutting-edge tools to solve complex infrastructure challenges. This leadership role involves securing digital assets and optimizing information systems to improve collaboration across international teams. By modernizing the technological landscape, Daria Saeedi enables the firm to deliver superior advisory and construction management services with greater precision. Saeedi collaborates with other C-suite leaders to align digital transformation efforts with the broader business model of the organization. Through the implementation of scalable cloud solutions and robust cybersecurity protocols, the Chief Information Officer protects the integrity of project data while driving operational efficiency across all global business units.

Emily Gepner, the Chief Human Resources Officer at AECOM, manages the global talent strategy and organizational development initiatives that sustain the firm's infrastructure consulting expertise. Overseeing recruitment, retention, and professional development, Gepner ensures that the workforce possesses the specialized skills required for complex engineering and design projects. This leadership role involves fostering an inclusive culture that attracts top-tier talent to support the firm's mission in transportation, water, and energy sectors. By implementing comprehensive performance management systems, Emily Gepner aligns individual contributions with the strategic objectives of the organization. Gepner works closely with regional leaders to address human capital needs across diverse geographic markets. Through the design of competitive compensation structures and robust training programs, the Chief Human Resources Officer builds a resilient team capable of delivering high-quality professional services throughout the entire project lifecycle.

David Gan, the Chief Legal Officer at AECOM, directs the legal strategy and compliance framework for the global infrastructure consulting firm. Overseeing contract management, regulatory adherence, and risk mitigation, Gan ensures that the firm operates within the legal requirements of every jurisdiction where projects occur. This leadership role involves providing counsel on complex engineering and construction management agreements to protect the firm's interests. By managing litigation and fostering ethical business practices, David Gan safeguards the reputation of the organization. Gan works closely with the executive team to navigate the legal complexities of large-scale infrastructure projects in transportation, water, and energy. Through the proactive identification of legal risks and the development of robust compliance programs, the Chief Legal Officer enables the firm to pursue ambitious projects with confidence and integrity.

Frank Sweet, the Global Business Unit Chief Executive, Environment & Energy at AECOM, leads the strategic direction and operational delivery of the firm's environmental and energy infrastructure services. Overseeing a global team of experts, Sweet ensures that the firm provides innovative solutions for new energy transitions and environmental sustainability challenges. This leadership role involves managing the development of complex projects that address climate change and resource management for public and private sector clients. By driving technical excellence and market expansion, Frank Sweet positions the firm as a leader in the global energy transition. Sweet collaborates with other business unit leaders to integrate environmental considerations into all aspects of the project lifecycle. Through the management of specialized engineering teams and the pursuit of sustainable growth, the Global Business Unit Chief Executive, Environment & Energy delivers high-impact results that support the firm's core mission.

Mohamed Saj, the Directeur De Linformation at AECOM, manages the information systems and data architecture that support the firm's international engineering and consulting operations. Overseeing the deployment of digital tools and infrastructure, Saj ensures that teams have the necessary technology to execute complex design and construction management tasks efficiently. This leadership role involves optimizing information flow and enhancing digital collaboration across global business units. By implementing advanced data management strategies, Mohamed Saj improves the firm's ability to deliver precise and reliable professional services. Saj works with regional technology leads to ensure that information systems remain secure and scalable. Through the continuous improvement of digital processes and the integration of innovative software solutions, the Directeur De Linformation supports the firm's commitment to solving complex infrastructure challenges through technological excellence and operational precision.