Ian McGregor - CHAIR

HOB Mechanical Services Limited

Ian McGregor


Ian has been the Chair of the BESCA Board for over two and half years.  A time served heating and ventilating engineer, gas safety professional and decades of industry knowledge in the maintenance of commercial h&v systems, Ian is understandably admired for his ability to make difficult decisions and influence change within organisations, forming and maintaining good working relationships with clients, contractors and suppliers.

We want to take this opportunity to thank Ian for proficiently guiding the board together with all his hard work and commitment over the past few years.


Adam Heeley

Chiltern and South Bucks Council, Building Control Manager

Adam has many years of industry experience and  qualifications in Building Control, Building Studies and Industrial Management. Adam is chair of the Local Authority Technical Working Group and a member of the Royal Institution of Chartered Surveyors. Adam has worked on many groups involved in investigating, developing and formulating government policy as well as working within the Building Control industry to ensure that there is understanding and consistency where the policy is not clear. This has included working with the BRE, the BSI ,Industry and governmental groups. Adam still has a very keen interest in what goes on in the Building industry and regularly visits building sites and keeps abreast of developments within the Building Industry.

Andrew Geens

BG Consult Ltd

Andrew Geens BG Consult Ltd

Andrew Geens is a Director of BG Consult Ltd based in South Wales and a past Chair for the BESCA Board. He retired as a Director and Head of Certification at CIBSE Certification Ltd in September 2022, and now works with them as a consultant supporting the new Head of CIBSE Certification in the operation of personnel certification schemes primarily associated with the energy performance of buildings and management system certifications schemes for ISO 9001, 14001, 45001 and 50001. Andrew was formerly a Principal Lecturer and Professor of Building Services Engineering in the Faculty of Advanced Technology at the University of Glamorgan. He has a BEng (Hons) and a PhD in Environmental Engineering, and is a Chartered Engineer and Fellow of the Chartered Institution of Building Services Engineers. His interests in indoor air quality, energy performance of buildings and low energy design of buildings inform the variety of projects that he is now engaged with.


Andrew Saville

Armville Consultancy

Andrew is an independent property consultant and an experienced manager who has specialist knowledge of building services and facilities management.  He is a Chartered Engineer, an Honorary Fellow of the Chartered Institution of Building Services Engineers and was joint author of the Component Life Manual published by Blackwell Science in 2001. In 25 years, working as an independent consultant, Andrew’s assignments have included working for BSRIA on the inspection of building services at RAF Menwith Hill in Yorkshire and at the Barbican Centre in London. He also carried out asset surveys with maintenance reviews in the Devonport Dockyard, for the UBS Bank in London, for the London International Stock Exchange and Essex County Council.  From 2005 to 2007 he was chairman of the CIBSE Home Counties North East region committee and from 2014 to 2017 he was a trustee on the CIBSE Board.  He is currently vice chairman of the CIBSE Talent Pipeline and Apprenticeship Panel, a member of the CIBSE F M Group, mentor for the CIBSE Young Engineers’ Network and has a seat on CIBSE Council.  From 2003 until 2020 he was an active member of the team auditing BESA member companies.  He is currently employed by CIBSE Certification.   


Damien Martin

Assure Services NI

Damien is an independent Ventilation Hygiene Business Owner in Northern Ireland with over 15 years experience in the sector using BESA TR19 Standards. Assure Services is a Support Services company priding themselves in a experienced professional workforce having a thorough understanding of client requirements

"What I would like to bring to the board is an understanding of the disciplines and knowledge of the TR 19 standards in both the theoretical and practical sense.  There is a realistic gap in understanding between theory and practise in some systems and I would like to provide guidance and expertise on how the work is done to the TR19 standard and how reports must be presented to the client."