Meet the Team

Garry McGowan

Marine Operations Director

Garry McGowan, Managing Director of Terra Mechanica Maris Ltd, is an accomplished engineer and leader with over two decades of experience in the mechanical and marine industries. His career began with an apprenticeship at McTaggart Scott & Co Ltd, where he gained expertise in mechanical engineering, welding, and fabrication under the mentorship of skilled industry professionals. This early training set the stage for a career defined by precision, innovation, and a relentless commitment to excellence.

Building on this foundation, Garry completed a second apprenticeship while serving as a Submarine Marine Engineering Technician in the Royal Navy. During this time, he developed advanced technical expertise in high-pressure systems, mechanical systems maintenance, and fault diagnostics, all while working under the demanding conditions of Vanguard-class submarines. This experience not only sharpened his engineering skills but also cultivated a strong work ethic, adaptability, and the ability to lead effectively in challenging environments.

A key highlight of Garry’s career has been his role in the International Ocean Discovery Program (IODP), where he represented clients on complex offshore projects. Acting as a critical interface between stakeholders and project teams, he ensured that operations were executed to the highest standards of safety and quality. His ability to navigate complex engineering challenges while managing multidisciplinary teams has cemented his reputation as a trusted expert and leader.

Throughout his career, Garry has led diverse projects, including fault investigations on subsea systems, large-scale mechanical maintenance operations, and equipment commissioning. His dual-apprenticeship background, combined with extensive hands-on experience, provides him with a unique perspective that bridges technical excellence with practical application.

Declan Duncan

Director of business development

Declan Duncan is a dynamic and strategic leader with extensive expertise in business development, project management, and continuous improvement. As the Business Development and Project Management Lead for Terra Mechanica Maris Ltd, Declan plays a pivotal role in shaping the company’s growth and operational success. His ability to foster relationships, manage budgets, and oversee complex projects has been instrumental in driving Terra Mechanica Maris Ltd’s expansion in the mechanical and marine engineering sectors.

Declan’s career is marked by a focus on delivering high-impact projects across diverse industries, including the public sector and competitive water markets. With a Lean Six Sigma Green Belt and a Chartered Management Institute Level 5 certificate in leadership, Declan combines a structured approach to problem-solving with innovative thinking. His strong background in business analysis ensures that projects are delivered efficiently, within scope, and aligned with strategic objectives.

At Terra Mechanica Maris Ltd, Declan oversees stakeholder engagement, budget management, and risk assessment for critical projects such as Terra Ancora. His expertise ensures that projects meet both technical and environmental goals while remaining commercially viable. Declan also dedicates significant time to coordinating subcontractors and external partners, ensuring seamless collaboration and alignment with project goals.