Co-Founder
Leigh Rooney, Co-Founder of Weststone Construction, is an accomplished leader in Heavy Civils and Structural Engineering, bringing extensive technical and sector expertise to the organisation.
His career spans residential (private and public), commercial and major infrastructure schemes, with experience ranging from specialist Section 278 and drainage works to multi-million-pound nuclear and defence projects.
Beginning his career as an engineer, Leigh’s leadership is shaped by a deep commitment to technical precision, robust design principles and delivering solutions that are genuinely right for the client. His detail-focused approach ensures that quality, safety and engineering integrity remain central to every project Weststone undertakes.
Leigh is known for his highly collaborative and relationship-driven style – an approachable, positive and energetic presence who fosters an open, people-first culture. His passion for heavy civils, reinforced concrete (RC) structures and high-standard project delivery continues to influence the company’s strategic direction.
As part of the executive leadership team, Leigh plays a central role in guiding Weststone’s long-term growth, championing technical excellence, customer-focused outcomes and a culture built on trust, performance and teamwork.
Rajeewa de Fonseka, Co-Founder of Weststone Construction, brings a strong combination of construction management expertise, operational leadership and strategic vision to the organisation.
With a background spanning civil engineering, structural works and complex programme delivery, Raj has contributed to successful outcomes across residential, commercial and infrastructure environments.
Raj’s professional foundations are built on modern construction principles, lean methodologies and a deep understanding of end-to-end project delivery. His insight into planning, procurement, engineering and operational performance enables him to drive efficiency, consistency and quality across Weststone’s portfolio.
Recognised for his strategic mindset and calm, decisive leadership style, Raj excels at aligning teams, clients and stakeholders behind shared objectives. He cultivates a culture of clarity, accountability and continuous improvement – ensuring projects progress with purpose, precision and strong commercial awareness.
At the executive level, Raj is instrumental in shaping Weststone’s business strategy, strengthening key partnerships and embedding best-practice delivery standards throughout the company. His commitment to building long-lasting, high-value assets underpins Weststone’s reputation for reliability and performance across the construction sector.
Co-Founder
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