GHD Executive and Leadership Team

Jim Giannopoulos, the Chief Executive Officer at GHD, directs the company's global strategy and operational execution. Overseeing all business units, Giannopoulos ensures alignment with GHD's mission to deliver integrated solutions across engineering, environmental services, design, and construction. This leadership role involves driving innovation in addressing complex challenges within water, energy, and community development sectors. By fostering a culture of technical excellence and client collaboration, Jim Giannopoulos supports the development of sustainable and resilient outcomes worldwide. The Chief Executive Officer's focus extends to strengthening GHD's position as a people-owned organization committed to long-term success and quality.

Sharon Riebel, the Group Chief Executive Officer at GHD, spearheads the overarching strategic direction and performance of the global professional services firm. Riebel's leadership encompasses guiding GHD's multidisciplinary teams in delivering comprehensive solutions in engineering, environmental services, design, and construction. This executive function is critical for navigating complex challenges in vital areas like water, energy, and community development, ensuring forward-looking approaches are implemented. By championing a culture of shared ownership, Sharon Riebel reinforces the organization's commitment to client success and sustainable outcomes. The Group Chief Executive Officer's mandate includes enhancing GHD's international presence and its capacity to respond effectively to diverse global and local needs.

Van Tang, the Chief Executive Officer (Asia Pacific) at GHD, leads the company's strategic operations and growth within the Asia Pacific region. Tang directs regional teams to deliver integrated solutions across engineering, environmental services, design, and construction, tailored to local market needs. This executive function is critical for addressing complex challenges in water, energy, and community development throughout the Asia Pacific. By fostering strong client relationships and ensuring technical excellence, Van Tang drives sustainable and resilient outcomes across diverse geographies. The Chief Executive Officer (Asia Pacific)'s focus includes expanding GHD's presence and impact, reinforcing the firm's commitment to quality and long-term partnerships in the region.

Guy Longworth, the Chief Marketing Officer & Interim Chief Executive Officer & Board Member at GHD, provides dual leadership across marketing and executive strategy. Longworth directs GHD's marketing efforts while also guiding the company through its interim leadership phase, ensuring continuity and strategic focus. This comprehensive role involves overseeing the delivery of integrated solutions in engineering, environmental services, design, and construction, particularly in addressing complex challenges in water, energy, and community development. As a Board Member, Guy Longworth contributes to the overarching governance and long-term vision, reinforcing GHD's commitment to sustainable outcomes and client success. The combined responsibilities ensure robust market engagement and stable executive direction.

Mark Langevin, the Chief Financial Officer at GHD, manages the company's financial operations and strategic fiscal planning. Langevin oversees all financial aspects, ensuring robust economic health and supporting GHD's global expansion initiatives. This role is pivotal in maintaining the financial integrity of a people-owned organization, aligning fiscal strategies with long-term growth objectives. By directing budgeting, forecasting, and investment activities, the Chief Financial Officer enables GHD to effectively address complex challenges in engineering, environmental services, design, and construction. Mark Langevin's expertise ensures that financial resources are optimally allocated to support sustainable outcomes and client success across all sectors, including water, energy, and community development.

Paul Murphy, the Chief Information Officer at GHD, directs the company's information technology strategy and infrastructure. Murphy oversees the implementation of digital solutions that enhance operational efficiency and support GHD's integrated service delivery across engineering, environmental services, design, and construction. This leadership position is crucial for leveraging technology to tackle complex challenges in water, energy, and community development, fostering innovation and resilience. By ensuring secure and advanced IT systems, Paul Murphy enables seamless collaboration among multidisciplinary teams and supports the company's global operations. The Chief Information Officer's efforts are vital for maintaining GHD's competitive edge and commitment to client success in a rapidly evolving digital landscape.

Andrew Kaddatz, the Chief Technology Officer at GHD, drives the technological innovation and advancement across the firm's service offerings. Kaddatz leads the development and integration of cutting-edge technologies that enhance GHD's capabilities in engineering, environmental services, design, and construction. This role is fundamental to addressing complex global challenges in water, energy, and community development with forward-looking solutions. By fostering a culture of technological exploration, Andrew Kaddatz ensures GHD remains at the forefront of industry advancements, supporting sustainable and resilient outcomes. The Chief Technology Officer's strategic vision guides the adoption of new tools and methodologies, reinforcing GHD's commitment to technical excellence and client success.

Andre Ribeiro, the Chief Marketing Officer & Principal at GHD, shapes the company's brand strategy and market positioning. Ribeiro oversees all marketing initiatives, driving client engagement and enhancing GHD's reputation for delivering integrated solutions in engineering, environmental services, design, and construction. This role is essential for communicating GHD's expertise in addressing complex challenges within water, energy, and community development sectors. By championing innovative marketing approaches, Andre Ribeiro supports the firm's growth objectives and its commitment to sustainable outcomes. The Chief Marketing Officer & Principal's efforts ensure GHD's value proposition resonates with clients globally, reinforcing its status as a trusted partner.

Denise Obst, the Chief Legal Officer at GHD, oversees all legal affairs and ensures compliance across the company's global operations. Obst manages legal risks and provides strategic counsel on matters related to GHD's integrated solutions in engineering, environmental services, design, and construction. This critical role supports the firm's commitment to ethical practices and sustainable outcomes, particularly when addressing complex challenges in water, energy, and community development. By safeguarding GHD's interests and ensuring adherence to regulatory frameworks, Denise Obst enables the company to operate with confidence and integrity. The Chief Legal Officer's expertise is vital for maintaining strong client partnerships and upholding GHD's reputation for quality and responsibility.

Kouadio Kouame, the Drh at GHD, leads the human resources function, focusing on talent management and organizational development. Kouame oversees strategies for attracting, retaining, and developing the multidisciplinary professionals who deliver GHD's integrated solutions in engineering, environmental services, design, and construction. This role is essential for fostering a culture that supports innovation and addresses complex challenges in water, energy, and community development. By ensuring a skilled and engaged workforce, Kouadio Kouame contributes to GHD's commitment to sustainable outcomes and client success. The Drh's efforts are pivotal in cultivating a people-owned organizational environment that drives long-term commitment and technical excellence.