WHO WE ARE

As a proudly Australian-owned and operated private company headquartered in Sydney, with locations across the country, GDC delivers a complete range of trade and project services for facilities management.

Established in 2012, GDC has built a strong reputation for operational excellence, compliance, environmental responsibility, and reliable service delivery.

GDC offers the entire spectrum of trade services for facilities management. We deliver comprehensive, end-to-end facilities maintenance and project management solutions tailored to support eco-conscious operations across all sectors.

OUR PEOPLE

As an ever-growing team of skilled professionals, we bring together diverse experience, technical expertise, and a shared commitment to delivering outstanding outcomes for our clients.

Curtis Williams

Managing Director

As our Business Director & Owner, Curtis is the founder & visionary of GDC.
Curtis oversees the strategic direction & growth of the business and ensures that GDC always delivers innovative and customer-centric solutions to its clients.
He has undertaken work in a diverse range of industries and is responsible for developing business goals & objectives.
Skilled at building long-term relationships, identifying site-specific needs, and coordinating crews and resources to maintain landscape aesthetics, safety, and sustainability. Curtis has experience in both resource procurement and labour relations. Over a broad selection of projects, he shows exceptional communication & interpersonal skills with a clear understanding of arbitration procedures, negotiation processes and conflict resolution.
Curtis possess the strategic problem-solving skills necessary to understand project objectives and create proposals to meet equipment and labour requirements while maintaining budgetary and timeline goals.

Darren Donohue

National Operations Manager

Darren Donohue is GDC’s National Operations Manager, overseeing operational performance, project delivery support, and team coordination across Australia. With a strong background in construction operations and business management, Darren plays a key role in ensuring GDC’s systems, people, and processes work together efficiently to deliver high-quality outcomes for clients.

Known for his practical leadership style and strong focus on accountability, Darren works closely with project teams, suppliers, subcontractors, and clients to support smooth day-to-day operations and consistent project execution. His ability to manage priorities, streamline workflows, and maintain clear communication helps ensure projects are delivered safely, efficiently, and to GDC’s high standards.

Darren is committed to building strong teams, improving operational performance, and supporting GDC’s continued growth. His hands-on approach and dedication to quality make him an integral part of the company’s national leadership team.

Krithiga Velusamy

HSEQ, Compliance

Krithi supports GDC across HSEQ, Compliance, and Financial Services, helping ensure the business operates safely, efficiently, and in accordance with industry standards and regulatory requirements. Her role spans compliance management, business administration, financial support, reporting, and continuous improvement initiatives. With a strong attention to detail and a commitment to operational excellence, Krithi plays an important role in supporting both project delivery and the ongoing success of the organisation.

Paul Winley

General Manager

Paul is responsible for ensuring that our clients receive high-quality service and value for money.
Experienced and client-focused with a strong background in Contract & Business Management in landscape & horticultural services. Paul has a proven ability to manage diverse commercial client portfolios, ensuring high-quality service delivery, contract compliance and customer satisfaction.
Known for attention to detail, clear communication and delivering reliable service in fast-paced, seasonal environments. Paul has a proven track record of building and maintaining strong client relationships while delivering tailored solutions that drive business growth.
Adept at balancing strategic thinking with hands-on execution, with a strong focus on customer satisfaction, retention and long-term value.

Santiago Escobar

Senior Project Manager

Santiago Escobar is GDC's National Projects Manager, leading the delivery of projects across Australia. With a strong background in project management and construction operations, he oversees project planning, coordination, and execution to ensure exceptional outcomes for clients. Santiago is known for his collaborative approach, attention to detail, and commitment to delivering projects safely, efficiently, and to the highest standards of quality. His leadership and dedication play an important role in supporting GDC's continued growth and reputation for excellence.

Louise Clancy

Contract Administration

Louise supports GDC's project delivery teams through contract administration, commercial coordination, and project governance. She works closely with clients, consultants, and subcontractors to manage contractual processes, project documentation, procurement activities, and reporting requirements. With a strong attention to detail and commitment to excellence, Louise helps ensure projects are delivered efficiently, compliantly, and in line with GDC's high standards of quality and professionalism.

CERTIFIED. COMPLIANT. TRUSTED.

GDC operates in accordance with internationally recognised management systems, ensuring quality, safety, and environmental responsibility across all services and projects.

Our teams possess extensive knowledge across facilities management, maintenance, and project delivery, enabling us to provide practical, efficient, and reliable solutions across a broad range of industries and environments.

Driven by collaboration, accountability, and continuous improvement, our people are committed to creating value at every stage of service delivery — helping clients improve operational performance, maintain critical assets, and achieve long-term project and sustainability goals.

OUR MISSION

Delivering responsible solutions with skill, safety, and sustainability at our core.

Recognised industry-wide for our sustainable procedures.

SKILLED

ENVIRONMENTAL

SAFE

SUSTAINABLE