Meet The Senior Team

Parmarbrook are a friendly, approachable team, with a diverse range of skills, experience and knowledge.

Chetan Parmar


Managing Director

Chetan is the Managing Director of Parmarbrook, providing overall leadership, vision and culture for the practice.

Guiding the management and delivery of Parmarbrook’s projects, Chetan remains passionate about a design led process and adopts a hands on approach with core projects; whether it is sketching through designs at concept stage, walking sites or detailed design reviews, he always aims to deliver the most intelligent and efficient structural solution.

Chetan has been at the forefront of many major building projects for over thirty years, both within the UK and internationally, facilitating strong relationships with leading clients and architects. A number of notable projects include 20 Fenchurch Street, Bank of America HQ, DEFRA HQ, and Tesco’s biggest ever development at Woolwich Central.

With a particular focus on large mixed-use developments and office schemes, Chetan is spearheading the practice’s expansion into international markets.

Parmarbrook was co-founded by Chetan in 2011 after several years as a Director at global consultancies; Halcrow Yolles and Waterman Group.

Ben Paterson

BEng(Hons), MIStructE, CEng

Design Director
Favourite building:
Chrysler Building, New York

Ben is a creative and experienced chartered Engineer with 20 years’ experience working for central London design consultancies. He has worked on a variety of projects which involved complex basement construction and major mixed-use schemes with blue chip clients. He has an ability to unlock projects and complex sites, using the broad and varied experience gained over his 20 year career.

Ben is responsible for design quality across the studio, ensuring a consistent and high level outcome is met on all projects; whilst also delivering timely engineering solutions in line with demanding construction programmes.

Ben is passionate about engineering and the difference it can make to the built environment. Recent experiences have included in depth analysis and delivery of off-site manufactured buildings, carbon reduction through intelligent specification and building design automation.

Bens route into engineering was technical drawing, which he learnt while studying at Marling Grammar School and a design office in the 1990’s, he has developed and built on these detail based skills over the last 20 years and uses this experience to provide technical design support to the studio project teams.

Outside the studio Ben has a young family, which keeps him busy. Spare time is spent on the golf course, in his camper van or wearing a pair of ski’s, depending on the season.

Andrew Whitehead

BSc (Hons) CEng FICE FIStructE

Executive Director
Favourite building:
Catedral de Sevilla

Andy has a wealth of experience gained from working on major building and civil engineering projects in both the private and public sector for consultants, contractors and more recently in development.

Andy was previously Operations Director of Clarke Bond and is a Fellow of both the Institution of Civil Engineers and the Institution of Structural Engineers.

Danielle Wheeler


Head of Marketing

Danielle has over 14 years experience in construction marketing, having worked at Waterman Group for several years before joining Parmarbrook in 2014.

Danielle is responsible for the development and delivery of the strategic marketing plans at Parmarbrook. As well as raising the profile of the company to the industry, she also manages the production of all marketing material and bid proposals.

Steve Davidson

MEng, MIStructE, CEng

Technical Director
Favourite building:
Forth Rail Bridge, Edinburgh

Steve is an accomplished chartered engineer who has worked on a large number of varied and complex projects during his 15 year career. He has an extensive track record working on education, residential and commercial developments in both London and Edinburgh.

Steve has an enquiring mind, taking an extremely proactive approach to creating opportunities and developing relationships with design team members.

In 2018 Steve joined the steering committee of Young Entrepreneurs in Property – YEP, a networking organisation that provides a voice for the future leaders of the industry.

Richard Colley

MEng(hons)intl. CEng MIStructE

Technical Director
Favourite building:
St Pancras Hotel, London

Richard is a Technical Director with a strong background in Environmental Systems, Architecture, and Dynamic Engineering.

Since joining Parmarbrook in 2015, Richard has built on his experience using his intrinsic knowledge in building forms, low carbon structural solutions and materials to deliver a wide array of projects across London.

Richard strongly believes in the benefit of holistic design and strives for solutions that are found together through collaboration, exploiting the maximum potential from each design decision.

Claire Washington


Claire joined Parmarbrook in 2020 and has since led a variety of projects, including Broxbourne school, Kitchener Barracks and 100 DeBouviour Block.

Claire is passionate about sustainable design and the benefits modern methods of construction can bring. Her wealth of experience in the use of timber and hybrid structures has already encouragingly impacted the company. She enjoys solving technical problems using first principles with refined analytical tools to develop effective and efficient structual solutions.

Claire started her career in New Zealand before moving to the UK in 2014. In 2018 Claire was part of the female-led design team delivering Cambridge Mosque, with Marks Barfield Architects, a landmark timber building designed with Glulam and CLT.

Constantin Beldiman


Favourite building:
Centre Pompidou, Paris

Constaintin is a senior structural engineer with more than 14 years professional structural engineering experience around the UK and internationally, including in Hong Kong and Romania. Skilled in Project Management, Design Management, Structural Engineering including Structural Analysis and Design as well as technical reviews and guidance.

Has led project teams to deliver on educational, public services, energy, airport, and underground transportation related projects including the Victoria Underground Station Upgrade, Heathrow Airport Terminal 2B and the Hong Kong International Airport Midfield Concourse.

He has considerable practice in detailed structural analysis and volumetric construction after designing two of the largest modular towers in the UK; Mapleton Crescent, Wandsworth and Addiscombe Grove, Croydon.

Alexandra Exeter

Cad & Revit Manager
Favourite building:
Chrysler Building, New York

Alex has a First Class Honours BEng (Hons) Civil Engineering Degree from London South Bank University. She has a creative personality and has a passion for design which is reflected in every aspect of her work.

Alex enjoys developing visualisations of her Revit models to create a more realistic view of the project, she also has a keen eye for attention to detail.

Alex Carroll

MEng MSc

Senior Structural Engineer

Alex joined Pamarbrook in 2015 and has worked on projects varying in size and complexity; from high end single dwellings to large 25ha heavily contaminated sites.

Alex has recently completed a high end residential scheme at Little Chester Street with Squire and Partners; which provides four separate townhouses with double storey basements in Belgravia.

Akash Parmar

Accounts & Finance

Simon Etherton

Associate, BIM Lead
Favourite building:
St Peters Basilica, Vatican City

Simon has over 25 years experience as a CAD technician and in recent years adopted software platforms such as the AutoDesk Building Design Suite – his expertise in Revit Structures has led him to model signature developments with construction values up to £250m.

Most recently Simon has been developing and leading on BIM models for a variety of Design and Build projects.

James Holland


Senior Structural Engineer
Favourite building:
Viaduc de Millau

James began his career working on the iconic Walmer Yard development by Peter Salter and delivering numerous high end residential dwellings.

More recently, James has worked on larger residential schemes, commercial buildings, schools and theatres which take in both new build and historic refurbishment structures, on green field and complex urban sites.

James is currently working with multiple brand occupiers to deliver Cat A refurbishments to their London Office Space.

Tono Perales

Technical Director (Civils)

Tono is a Civil Engineer with over 15 years of professional experience and more than 60 projects. He is responsible for technical supervision and design of infrastructure projects.

Hena Parmar