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Meet the team

Our multi disciplinary team combines technical expertise in engineering, compliance, and sales with a passion for creating healthy indoor environments. From initial design and CFD modelling to project delivery and long-term servicing, our specialits work collaboratively to ensure every project solution we provide achieves optimal air quality, energy efficiency and thermal comfort.

Adam Sibilski

Adam Sibilski

Senior Engineer

Nationwide

Prince2 certified in project management and holding City & Guilds HVAC qualifications, Adam brings a strong technical foundation to our team. His experience spans commissioning, servicing, and project delivery to support energy-efficient ventilation solutions. This robust background in project management and building-product supervision strengthens his practical, detail-driven approach to delivering high-performance ventilation systems across the UK.

Jaimie Pickard

Jaimie Pickard

Field Service Engineer

Nationwide

Jaimie is our on-site technical expert, dedicated to ensuring your ventilation systems operate at peak efficiency and performance. With a strong focus on system optimization, routine maintenance, and rapid troubleshooting, he works directly with facility managers and mechanical contractors across the UK to deliver smooth commissioning and seamless hands-on support. Whether executing precise system diagnostics or advising on building performance, Jaimie’s practical, solution-oriented approach keeps indoor environments healthy, compliant, and running exactly as designed.
 

Gary James

Gary James

Contracts Manager

Nationwide

Gary manages the on-site delivery and execution of Breathing Buildings installation and services projects nationwide. Collaborating with mechanical contractors and site teams, he ensures our ventilation systems are flawlessly installed and commissioned. To discuss active project timelines, site logistics, or coordination, please reach out to our Project Engineering or Admin team.

Alexis Roberts

Alexis Roberts

Marketing Manager

Nationwide

With several years of experience in sales and customer relationship management, Alexis brings a strong focus on sustainability, helping clients address challenges around energy consumption and indoor air quality. Alexis is passionate about promoting environmentally responsible building solutions and is motivated by creating a healthier future for the next generation.

Louise McHugh

Louise McHugh

Product Manager

Nationwide

Louise oversees our commercial and industrial product portfolios, helping specifiers, consultants, and engineers find the ideal balance between excellent indoor air quality (IAQ) and low-carbon energy efficiency. With deep expertise spanning award-winning commercial MVHR systems and cutting-edge hybrid mixing ventilation, Louise ensures our solutions meet strict compliance standards while supporting sustainable, healthy building design. Reach out to Louise for technical product guidance, specifier support, or advice on navigating the latest building regulations.

Paddy Smith

Paddy Smith

Junior Consulting Engineer

North West, Scotland

Focused on developing his technical skills, learning from senior engineers, and progressing toward Chartered Engineer status. Paddy brings enthusiasm for sustainability-led building design and is already contributing to modelling, design support, and early-stage project engineering across the UK. He is working alongside senior consultants to provide high-quality technical guidance to clients.

Kamil Modrzejewski

Kamil Modrzejewski

Project Engineer

Nationwide

Holding City & Guilds HVAC qualifications, Kamil brings extensive practical expertise to the optimization of installation processes and high-standard engineering delivery. Motivated by innovation and environmental responsibility, he applies his technical and project-management skills to support efficient, high-quality ventilation solutions that align with modern sustainability goals.

James Hammick

James Hammick

Area Sales Manager

South East, East Anglia

Extensive technical experience from more than a decade as a Design Manager, along with strong skills in ventilation design, building services, energy efficiency, and feasibility studies. James combines deep product knowledge with a consultative approach, helping designers and building owners achieve efficient, low-energy, and compliant ventilation strategies.

Joe Clawley

Joe Clawley

Engineering & Consultancy Manager

South West, South East, North Wales, South Wales

Deep expertise in ventilation, sustainability, feasibility studies, and energy-efficient building design. Joe supports regional design teams by providing technical guidance, modelling insights, and standards-based engineering input to help deliver comfortable, low-energy indoor environments for clients across the UK.

Huw Poppy

Huw Poppy

Director

Scotland, Ireland, North East, South Wales, South West

Deep expertise in natural and hybrid ventilation design, project delivery, and on-site technical support. Current secretary of the CIBSE Natural Ventilation Group, giving him strong insight into best practice and the future direction of ventilation design. He focuses on strengthening operational performance, enhancing technical design services, and supporting consultants and contractors from early-stage design through installation and commissioning to help deliver low-energy, high-performance ventilation solutions.

Graham Clarke

Graham Clarke

Area Sales Manager

North Wales & Midlands

Working closely with specialist MEng and PhD engineers, he contributes to the design of low-energy buildings that deliver excellent air quality, thermal comfort, and robust modelling insights using tools such as dynamic thermal modelling and CFD.

Callum Syrett

Callum Syrett

Programme Manager

Nationwide

With 14 years of dedicated HVAC experience, Callum brings a strong technical background backed by qualifications in electrical engineering, AutoCAD design, and health & safety. He excels in project engineering and project management, managing extensive hands-on site requirements and coordinating seamlessly with subcontractors. As a main point of contact for live projects, Callum works closely with clients and engineers to ensure smooth project delivery and high-quality, energy-efficient ventilation installations.

Agnieszka Sibilska

Agnieszka Sibilska

Project Administrator

Nationwide

Plays a key role in keeping live projects running smoothly, supporting communication between engineers, clients, and contractors, managing documentation, and ensuring timely progress across multiple project stages. An important point of contact for both internal teams and external partners, helping maintain the high standards of organisation and service that underpin Breathing Buildings’ technical delivery.

Lisa Whelan

Lisa Whelan

Area Sales Manager

North West

Lisa is passionate about delivering exceptional client experiences and driving successful project outcomes. Focused on governance, quality, and service improvement, she works closely with our clients to ensure every technical requirement is met with practical, reliable solutions. Whether you are initiating a new project or looking for ongoing strategic support, Lisa is here to guide you through every step of the process.