Leadership team

Nicholas has extensive experience as a strategic board advisor at a number of public and private companies, particularly in the construction industry. He also has a wide range of international experience and expertise, principally in the Middle East and Asia Pacific. Nicholas was formerly Group CEO at Cory Riverside Energy, which generates renewable electricity. He has held senior roles at Railtrack plc, Network Rail, Skanska and Balfour Beatty plc.

Previous appointments

• Group CEO, Cory Riverside Energy
• Chief Executive Officer, Construction Services UK, Balfour Beatty plc
• Chief Operating Officer, Navigant Consulting, Inc
• Chief Executive Officer, Bovis Lend Lease Ltd
• Executive Vice President, Skanska UK Plc
• Director, Possessions, Network Rail
• Network Development Director, Railtrack plc

Craig joined Tilbury Douglas in 2017, as Managing Director of UK Building. In July 2022, he became Chief Operating Officer and in November 2024, he became Chief Executive Officer. He has 37 years of experience in the industry, with more than 15 of them operating at board level, and has a proven track record in a range of core sectors including health, education, justice, defence, civil government and commercial. Prior to joining Tilbury Douglas, Craig was Chief Operating Officer for Bouygues UK, and previously held senior roles at Willmott Dixon, ISG, Miller and Laing O’Rourke.

Professional memberships / qualifications

• MCIOB – Chartered Construction Manager

Previous appointments

• Chief Operating Officer, Bouygues UK
• Managing Director, Willmott Dixon
• Managing Director, ISG Construction
• Major Projects Director, Miller Construction

Martyn joined Tilbury Douglas in the spring of 2023 and has over 25 years of experience in the industry. He is a Chartered Quantity Surveyor and has operated at senior leadership and board level for the last 15 years. Prior to joining Tilbury Douglas Martyn was the Commercial Director for Ferrovial Construction across their UK&I business.

He has held a range of commercial and operational leadership roles and his experience spans all aspects of building and civil engineering.

Previous appointments

• Commercial Director for Operations, Kier Group
• Regional Director, VINCI Construction
• Commercial Director Water Sector, Costain
• Associate Partner, EC Harris

Ross joined as Managing Director of Engineering in November 2018. As an experienced statutory director and thought leader, he has a strong track record of business leadership, strategy development and implementation.

With 20 years operational experience, and 10 years of work-winning expertise, Ross has worked in various management roles for Interserve Engineering Services (M&E), formally How Engineering Services.

Professional memberships / qualifications

• Chartered Management Institute (CMI)
• Chartered Institute of Building Services Engineers (CIBSE)

Andy joined Tilbury Douglas in 2024 as Managing Director of our Infrastructure business. He has spent his career delivering complex multi-disciplinary infrastructure projects, mostly in contracting, but with significant client and consulting experience across various sectors and geographies. He is recognised for developing people and teams to achieve successful and sustainable outcomes.

Professional memberships / qualifications

• FICE Fellow Institution of Civil Engineers
• FIOD Fellow Institute of Directors

Previous appointments

• Senior Partner, Arcadis
• Major Programmes Director, Costain
• Operations Director, Costain

Sarah is HR Director at Tilbury Douglas and a member of the Executive team, responsible for shaping and delivering our people strategy across the business.

Her career with us spans four decades, having joined RM Douglas Construction in 1985. She has built her experience within both the organisation and the wider HR profession, bringing extensive organisational knowledge and strategic insight to her role.

Sarah’s leadership is shaped by a clear understanding of our culture and values. Having progressed her own career within the business, she is a strong advocate for developing internal talent and creating clear pathways for colleagues to grow and succeed.

Professional memberships / qualifications

• Chartered MCIPD

Previous appointments

• Various HR leadership roles within Tilbury Douglas

Suzannah Harris is General Counsel at Tilbury Douglas, leading the legal function and overseeing all legal, contractual, compliance and governance activities across the business.

With more than 20 years’ experience across the energy and construction sectors, she brings extensive expertise in construction law, complex procurement, regulatory compliance, risk management and dispute resolution.

Before joining Tilbury Douglas, Suzannah held senior legal positions at npower and E.ON, advising on major infrastructure and energy projects across the public and private sectors. She is recognised for her pragmatic, commercially focused approach, delivering clear, strategic advice that supports successful project delivery across our portfolio.

Professional memberships / qualifications

• Post Graduate Diploma in Construction Management
• LLB Law
• MA Business & Marketing
• MBA

Andrew joined Tilbury Douglas in 1989 and leads our National and Strategic Accounts function with a team of sector and specialist directors, responsible for ensuring the Group is strategically well placed and has a continued pipeline of commercially attractive and risk appropriate frameworks and project opportunities.

Richard Boeg is Managing Director for Building South and South Wales at Tilbury Douglas.

He brings nearly 40 years of experience across a broad range of sectors, including healthcare, education, justice, civic, defence, commercial, residential, leisure, infrastructure, aviation and industrial.

Richard joined Tilbury Douglas in April 2021, following senior roles with Laing O’Rourke, Balfour Beatty, McLaren, Mace International and International Hospitals Group.

He is recognised for strong leadership and his extensive understanding of planning, technical and engineering disciplines. He consistently drives collaborative working, building long term relationships and acting as a trusted adviser to customers and partners.

Professional memberships / qualifications

• FICE Fellow Institution of Civil Engineers

Previous appointments

• Head of Operations, Balfour Beatty Plc (Building London)
• Divisional Director, McLaren Construction
• Operations Director, Mace International
• Country Director (Qatar)/Operations Director, Laing O’Rourke
• Operations Director, International Hospitals Group

Lucy joined Tilbury Douglas in 2020 and leads responsible business strategy across corporate and project levels, aligning delivery with organisational goals. She has championed social value and sustainability initiatives and was instrumental in launching the company’s Environmental, Social, and Governance (ESG) strategy, embedding purpose-led practices across the business.

Simon joined Tilbury Douglas in 2011 and brings over 36 years of experience in the construction industry. He began his career as a site engineer and has progressed to managing director, with the past 19 years spent in business unit director and managing director roles.

Simon has a proven track record of developing and supporting teams to deliver the best results. He has successfully delivered projects across a wide range of sectors, including health, education, defence, justice, local government, residential and commercial, for both public and private sector clients.

Previous appointments

• Regional Director, Clegg Construction
• Regional Director, Miller Construction

Alex joined Tilbury Douglas in 2021. She has extensive experience of corporate communications, both internal and external, across the built environment and construction sector. Alex is a member of the Chartered Institute of Public Relations.

Previous appointments

• Corporate Communications Manager, Aggregate Industries
• Senior Account Manager, Hopwood Communications
• UK PR Manager, BNP Paribas Real Estate
• Senior PR Consultant, FTI Consulting

Sir John Armitt is a Non-Executive Director of Tilbury Douglas.

Previous appointments

• Chairman, National Express
• Chief Executive, Costain
• Chairman, Olympic Delivery Authority
• Chief Executive, Network Rail

Martin Harrison joined Tilbury Douglas in 2025. He has a strong track record of delivering profitable growth and leading high-performance teams.

Previous appointments

• Tarmac Contracting
• Vistry
• Fulcrum Utility Services

Jack Dixon is Managing Director for Tilbury Douglas Fit-Out, responsible for leading our fit-out service line and driving delivery across fast paced, customer focused environments. With over 20 years’ experience, he has a strong track record in delivering complex, high profile projects within live operational settings.

Prior to joining Tilbury Douglas, Jack held senior leadership roles within leading contractors, overseeing major fit-out programmes across both public and private sectors. He is known for delivering consistent performance, building long term customer relationships and ensuring quality, safety and programme certainty across every project.

Professional memberships / qualifications

• MCIOB
• BSc Construction Management

Previous appointments

• Structure Tone
• Primus Build Limited
• Rok