Our Team

Since 2009, T4 Intelligent Infrastructure has brought together the expertise, experience and innovation needed to deliver complex infrastructure projects with confidence. As one team, we solve challenges, create lasting value and provide exceptional infrastructure solutions safely, efficiently and without compromise.

Mark Havers, Founder and Owner of T4
Mark Havers
Founder, Owner, CEO
As Founder and Owner of T4, Mark has been instrumental in building the business into a trusted delivery partner within the utilities and infrastructure sector.
David Thorndyke, Managing Director of T4
David Thorndyke
Managing Director
As Managing Director, David is responsible for guiding the growth and direction of T4 while maintaining the values that make the business what it is today.
Andy Beattie, Financial Director of T4
Andy Beattie
Financial Director
Drawing on his commercial background, Andy provides valuable insight into project performance, risk management and investment opportunities, helping to drive the continued success of the organisation.
Phil Weiss, Civils Director at T4
Phil Weiss
Civils Director
Phil leads T4’s civils division, overseeing the delivery of infrastructure projects across East Anglia. His practical leadership, industry knowledge and commitment to quality continue to play a key role in the growth and success of the business.
Sarah Gray, Lead Liaison Manager at T4
Sarah Gray
Lead Liaison Manager
Sarah leads T4’s stakeholder and community engagement activities, acting as a key point of contact between project teams, clients and the public.
Bradley Dyer, Supply Chain and Procurement Manager at T4
Bradley Dyer
Supply Chain & Procurement Manager
Bradley oversees T4’s procurement and supply chain activities, ensuring the business has the resources, equipment and supplier support needed to deliver projects safely and efficiently.
Oliver Sword, Civils Project Manager at T4
Oliver Sword
Civils Project Manager
Oliver oversees the planning, pricing and delivery of civil engineering projects across the business. Working closely with clients and operational teams, Oliver helps turn opportunities into successfully completed projects.
Ben Stanhope, Health and Safety Manager at T4
Ben Stanhope
Health & Safety Manager
Ben is responsible for fostering a strong health and safety culture throughout T4, ensuring that safety remains at the heart of everything the business does.
Ellen Freeman, environmental team at T4
Ellen Freeman
Environmental Science Practitioner
Ellen supports the environmental planning and delivery of T4’s projects, helping to ensure works are carried out responsibly and in line with environmental regulations and best practice.
Mark Peck, T4 Intelligent Infrastructure
Mark Peck
Project Enabling Manager
Bringing more than 35 years of experience in the utilities industry, Mark leads the enabling activities that help turn project plans into successful deliveries.
Aaron Stevenson, T4 Intelligent Infrastructure
Aaron Stevenson
Utility Director
As Utility Director, Aaron oversees the strategic growth and operational performance of T4’s utility services. His leadership plays a critical role in driving innovation, efficiency and long-term success throughout the organisation.
Kasey Warnes, T4 Intelligent Infrastructure
Kasey Warnes
Repair & Maintenance Supervisor
Kasey leads T4’s repair and maintenance teams, supporting the delivery of reactive and planned works across a range of utility and infrastructure projects.
Asia Hayward, Junior Quantity Surveyor at T4
Asia Hayward
Junior Quantity Surveyor
Asia is a Junior Quantity Surveyor and apprentice at T4, supporting the commercial management and financial performance of water infrastructure projects. Alongside her role, she is studying towards a degree in Quantity Surveying, combining academic learning with hands-on industry experience.