GHD Executive and Leadership Team

Jim Giannopoulos, the Chief Executive Officer at GHD, directs the global strategic vision for this professional services firm. Overseeing the multidisciplinary operations across water, energy, and community development sectors, the Chief Executive Officer ensures alignment with the firm's people-owned business model. Giannopoulos manages the executive leadership team to maintain technical excellence while driving sustainable growth across international markets. By prioritizing long-term client partnerships, the Chief Executive Officer strengthens the firm's market position in complex infrastructure projects. Jim Giannopoulos also coordinates with the board to implement forward-looking policies that support environmental responsibility. Through rigorous oversight of global performance, the Chief Executive Officer guarantees that the organization meets its commitment to building a more sustainable future. This leadership role involves balancing immediate operational demands with the broader mission of enhancing infrastructure resilience on a global scale.

Mark Langevin, the Chief Financial Officer at GHD, manages the financial health and fiscal strategy of this global professional services firm. Overseeing capital allocation and investment planning, the Chief Financial Officer ensures the organization maintains the stability necessary to support large-scale engineering and construction initiatives. Langevin directs the financial reporting processes that underpin the firm's people-owned structure, ensuring transparency and long-term value for all stakeholders. By analyzing market trends across the energy and water sectors, the Chief Financial Officer optimizes resource distribution to maximize project profitability. Mark Langevin also collaborates with the executive team to mitigate financial risks associated with international operations. Through rigorous fiscal oversight, the Chief Financial Officer supports the firm's mission of delivering sustainable infrastructure solutions. This leadership role involves maintaining a robust balance sheet that allows the company to pursue innovative approaches while upholding high standards of social and environmental responsibility.

Andrew Kaddatz, the Chief Technology Officer at GHD, architects the digital infrastructure and innovation strategy required to support complex engineering and design projects. Overseeing the integration of advanced technical tools, the Chief Technology Officer ensures that the firm maintains a competitive edge in environmental services and construction. Kaddatz drives the adoption of data-driven solutions that enhance project efficiency and accuracy for clients worldwide. By managing the technological roadmap, the Chief Technology Officer enables seamless collaboration across diverse regional teams. Andrew Kaddatz also evaluates emerging digital trends to ensure the firm remains at the forefront of sustainable infrastructure development. Through the implementation of scalable systems, the Chief Technology Officer supports the multidisciplinary team in delivering high-quality outcomes. This role requires constant alignment with the firm's broader business objectives to ensure that technological investments directly contribute to client success and operational excellence.

Andre Ribeiro, the Chief Marketing Officer & Principal at GHD, shapes the brand identity and market presence of the firm across its global operations. Overseeing the communication strategy for engineering, environmental, and design services, the Chief Marketing Officer & Principal ensures that the firm's commitment to sustainable outcomes resonates with clients in diverse regions. Ribeiro drives initiatives that highlight the firm's multidisciplinary expertise in water, energy, and community development. By managing client engagement programs, the Chief Marketing Officer & Principal strengthens the firm's reputation as a leader in infrastructure solutions. Andre Ribeiro also aligns marketing efforts with the firm's core values of shared ownership and quality. Through strategic positioning, the Chief Marketing Officer & Principal expands the firm's reach into new markets while maintaining strong relationships with existing partners. This role involves translating complex technical capabilities into compelling narratives that support the firm's growth and long-term impact.

Denise Obst, the Chief Legal Officer at GHD, manages the legal framework and regulatory compliance for the firm's global engineering and construction projects. Overseeing risk management and contractual integrity, the Chief Legal Officer ensures that all operations adhere to international standards and local regulations. Obst directs the legal strategy to protect the firm's interests while facilitating complex collaborations in the energy and water sectors. By providing guidance on governance and corporate policy, the Chief Legal Officer supports the firm's people-owned model and commitment to social responsibility. Denise Obst also coordinates with regional teams to navigate the legal complexities of operating in diverse international markets. Through proactive legal oversight, the Chief Legal Officer mitigates potential liabilities and fosters an environment of ethical practice. This leadership role involves ensuring that every project aligns with the firm's mission of building a sustainable future while maintaining the highest standards of professional conduct.

Sheryl Cornelius, the Chief People Officer at GHD, directs the human capital strategy and organizational culture for the firm's global workforce. Overseeing talent acquisition, professional development, and employee engagement, the Chief People Officer ensures that the firm attracts and retains the skilled professionals necessary to deliver integrated engineering and environmental solutions. Cornelius fosters a culture of shared ownership, aligning individual performance with the firm's long-term commitment to quality and client success. By managing workforce planning across diverse regions, the Chief People Officer supports the firm's ability to respond effectively to local and global challenges. Sheryl Cornelius also implements initiatives that promote diversity, inclusion, and sustainable career growth within the multidisciplinary team. Through strategic human resources management, the Chief People Officer strengthens the firm's internal capabilities. This role involves creating an environment where professionals can thrive while contributing to the firm's mission of building lasting infrastructure and community partnerships.

Kouadio Kouame, the Drh at GHD, manages the operational aspects of human resources and personnel administration within the firm. Overseeing the implementation of internal policies and staff support systems, the Drh ensures that the organization maintains a productive and collaborative environment for its multidisciplinary teams. Kouame directs the administrative processes that support the firm's people-owned structure, focusing on operational efficiency and employee well-being. By coordinating with regional leadership, the Drh facilitates the smooth execution of human resource functions across the firm's international footprint. Kouadio Kouame also monitors compliance with labor regulations to ensure that the firm's operations remain consistent with its commitment to social responsibility. Through the management of daily personnel operations, the Drh supports the broader mission of delivering high-quality engineering and environmental services. This leadership role involves optimizing internal workflows to ensure that the firm's workforce remains aligned with its strategic goals and long-term commitment to sustainable infrastructure.