Dr Shaun FitzgeraldShaun-Formal-Close-Up-150x150

Chief Executive Officer


Shaun undertook his PhD at Cambridge University and then joined the faculty at Stanford. After 4 years at Bain & Co in London and further research at Cambridge he founded Breathing Buildings in 2006. He is the Royal Academy of Engineering Visiting Professor in Sustainable Buildings at Cambridge University and a Teaching Fellow at Girton College.

Mark Crookteam-2-150x150

Finanace Director

Mark studied engineering at Brunel University and is a chartered accountant, having qualified at Deloitte where he spent 9 years specialising in audit, advisory and tax for tech, cleantech and manufacturing SME’s and start-up’s. Prior to this he had been a design engineer and project engineer in the oil industry for a number of years post graduation.

Mark joined Breathing Buildings in July 2017 as our new finance director.


Huw Poppyhuw-poppy300x300-150x150

Sales Director


Huw joined the team in 2011. Since 1997, he has been designing and developing ventilation, filtration and evaporative air cooling systems for commercial, industrial and domestic building types. Prior to joining Breathing Buildings, Huw specialised specifically in the design of natural ventilation systems and the development of control strategies to ensure the systems operate at their maximum efficiency.

Dr Matthew Braymatt-bray300x300-150x150

Commercial Director


Matthew began working for Breathing Buildings in 2010, after completing a PhD in Laser-assisted Cold Spray at the University of Cambridge. He has an engineering background, and has previously worked for Rolls-Royce and Rovtech Systems Ltd.

On helping clients: “The aim of our work is simple: help people realise how they can save energy and create a more pleasant environment for occupants through sensible management of heat and ventilation in their buildings”.

Dr Owen ConnickClearViewIP-019-150x150

Consulting Manager


Owen joined Breathing Buildings as a Consulting Engineer in 2014. He now heads up the design and consultancy teams. After a first degree in Aerospace Engineering at Imperial College London, Owen stayed in academia and completed his PhD on the fluid mechanics of hybrid natural ventilation. Owen has presented at numerous CIBSE/ASHRAE seminars, and is keen on many aspects of sustainability in the built environment.

Speak to a Specialist

To discuss your project with one of our specialists, call us on 01223 450060 or email us info@breathingbuildings.com