Principal Consultant & Quality Manager
Assistant Consultant and Equipment Technician
Office and Accounts Manager
Associate External Consultant
Hayes is a director and manager of the Machynlleth
office. He graduated in 1982 with a degree in Electronic & Communication
Engineering from the Polytechnic of North London. He has worked in the field of
acoustical engineering since graduation rising through Hann Tucker Associates, becoming
an Associate in 1990, before forming Hayes McKenzie with Andy in May 1991.
was been a member of the DTI Working Group which produced ETSU-R-97: "The
Assessment and Rating of Noise from Wind Farms" and is chair of the Institute of
Acoustics working group on wind turbine noise which produced the 2013 best practice guidance on the application of ETSU-R-97.
PhD, BSc, FIOA
Andy McKenzie is a director and manager of the Salisbury office. He graduated in 1981 with an honours degree in Engineering Acoustics and Vibration from the Institute of Sound and Vibration Research (ISVR), at the University of Southampton, where he subsequently obtained his PhD, awarded in 1988 for work on hearing aid design for use in noisy environments.
He has worked in acoustics since graduation, firstly with Wilkinson-Murray in Sydney, Australia, then as a research assistant and research fellow at the ISVR, before forming Hayes McKenzie with Malcolm in 1991. He is a Fellow of the Institute of Acoustics; an invited member of the UK Environmental Law Association Noise Working Group; and is on the editorial board of the journal "Acoustics in Practice".
Shepherd is an associate director and deputy manager of the Salisbury office.
He graduated from the University of Southampton in 2005 with a Master of
Engineering degree in Acoustical Engineering. While at university he worked
part-time at a number of acoustic consultancies, including Hayes McKenzie, and
joined full-time following graduation.
is responsible for handling all aspects of project management including
preparing quotations, carrying out noise modelling, data analysis, assessment,
and reporting. As well as managing his own portfolio of projects, Rob carries
out technical reviews of other consultants' analysis and reports, to ensure that
all work is carried out to our high standards.
Roberts is a principal consultant at the Salisbury office with responsibility for
IT and workload management. He has a BEng (Hons) degree in Acoustical
Engineering from the University of Southampton. He joined us in
2009 after working for Sustainable Acoustics where he gained experience in environmental noise
assessment for the support of planning applications; and
design-stage building acoustics projects.
is registered with the Association of Noise Consultants for sound insulation
testing, and is responsible for
undertaking pre-completion sound insulation tests and preparing reports for
remedial, or design-stage, building acoustics projects. Seth has also held an
active role on the Institute of Acoustics Publications Committee since 2008.
Robin Woodward is a principal consultant, now based at our Machynlleth office. He joined the company in 2010 after graduating from the Institute of Sound and Vibration Research at the University of Southampton, with a BSc Hons in Acoustical Engineering and Music.
Since joining us, Robin has had a driving influence on improving quality and consistency within the company, culminating in his key role in gaining Hayes McKenzie an accreditation from UKAS for their wind turbine testing activities, for which he is the quality manager. He also serves on the British Standards and IEC committees responsible for the UK input to and maintenance of IEC 61400-11, and the development of IEC 61400-11-2, where he heads up the expert groups on AM and Tonality, and the Institute of Acoustics' Meetings Committee, where he is responsible for drafting guidance for virtual meetings.
BSc, MSc, MIOA
Levet is Hayes McKenzie's Principal Researcher, based at our Machynlleth office. He graduated from the
University of Salford in 2005 with a BSc in Audio Technology. This was followed
by an MSc by Research degree, also from Salford, awarded in 2009. The MSc
degree was undertaken in conjunction with wind turbine manufacturer GE Wind Energy
and involved research and measurement campaigns related to the sound power
level measurements of wind turbines.
joined us in 2007 and was a major contributor to the Institute of Acoustics
Amplitude Modulation Working Group who developed a globally accepted metric for
the quantification of amplitude-modulated noise from wind turbines.
Conor Tickner is a senior consultant in our Salisbury office
and joined us in 2023 from multi-national environmental consultants AECOM, where
he worked since 2014, after graduating from the Institute of Sound & Vibration
Research at the University of Southampton with a BEng in Acoustical Engineering.
He is a corporate member of the Institute of Acoustics
(IoA), is working towards gaining Chartered Engineer status, and serves on the
IoA Southern Branch committee. He has come into Hayes McKenzie at a relatively
senior level and will be taking on responsibility for managing projects,
liaising with clients, carrying out analysis and reporting. We are absolutely
delighted to welcome him to our team.
Rich Burrows is
a consultant in our Salisbury office and joined us in 2023 from multi-disciplinary
environmental consultants Omnia in Portsmouth where he worked in their Acoustics
department. While at Omnia he managed projects from initial client contact up to full technical report
in 2018 with a BSc (First Class Honours) in Sound Engineering and Production from
Birmingham University and, before his time at Omnia, worked at Autins in
Nuneaton and Ensafe in Salford.
He will be carrying
out work on all aspects of acoustics consultancy and we are very pleased to welcome
him to our team.
Ed is now an assistant consultant having come directly to us from the ISVR (Institute of Sound & Vibration Research) at Southampton University with a BSc degree in Acoustics with Music. He splits his time between managing our extensive range of noise measurement equipment and other devices and assisting with consultancy work.
joined Hayes McKenzie at our Machynlleth Office in May 2022 to take on looking
after our noise and meteorological monitoring equipment based there and to help
with site visits where his input has already proved invaluable. Sam’s upbringing was hugely influenced by the renewable energy industry
as both parents worked at The Centre For Alternative Technology, not that far
from our Machynlleth office, and Sam worked for there for 17 years
too. Sam has also worked as a wind turbine technician and for 26 years as
a music producer and DJ which involved soundscaping, noise monitoring and
coming up with acoustics solutions for venues and festivals all over the UK.
PhD, MSc, BSc, PGCertEd, MIOA
Ian Flindell is an independent acoustics consultant, researcher and lecturer from the Institute of Sound and
Vibration Research at Southampton University where he spent most of the last 40 years. He is widely known across Europe as an expert in subjective acoustics specialising in the assessment and management of
environmental noise, particularly around major airports. He has
been a leading contributor to the development of standards, regulations and methods of assessment through BSI, UK government, the European
Commission, and the World Health Organisation.
Ian and Andy have been working together since 1981 both at ISVR, and latterly at Hayes McKenzie. We are delighted to officially welcome him to our team as an external associate consultant.