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BSG Steering Committee

The BSG is led by a steering committee consisting of:


Prof Darren Woolf (Chair) - Hoare Lea / Loughborough University

Darren is the Head of Building Physics at Hoare Lea and the Royal Academy of Engineering Visiting Professor of Building Engineering Physics at Loughborough University. He has supported the delivery of building physics solutions on UK and international projects across most market sectors for over 20 years. He holds an MEng in Architectural Engineering and a thermofluids-based PhD.  He is a Member of CIBSE and the Association for Project Management.
Darren has a keen interest in understanding and optimising the performance of natural and mechanical systems working with the building envelope to provide high quality, low energy environments. In his industrial role he supports, develops and promotes building physics best practices, R&D and skills & services across the firm and, in his academic role, he lectures, supports research and helps to develop teaching courses.  He enjoys co-authoring publications such as, previously, CIBSE’s Guide A and AM11 on Building Performance Modelling.


Darren Coppins (Vice-Chair) - Built Physics Ltd.



Dr Naghman Khan (Group Secretary) - Integrated Environmental Solutions Limited - IES

Naghman is a Business Development Manager for IES and member of the CIBSE Building Simulation Group and CIBSE BIM steering committee. He has over 10 years of experience in the environmental engineering and sustainable energy sector. His credentials include a PhD in Sustainable Energy and Building Simulation, a Master of Science (MSc) in Energy Technology & Policy, and a Bachelor of Science (BSc) in Physics. Naghman has been a part of the CIBSE Building Simulation Group since its founding in April 2009 and has previously held the positions of Group Secretary and Events Secretary.

Naghman’s main areas of expertise lie in Energy & Environmental Modelling & Simulation, building physics and more recently Smart Cities. Previous to joining IES, Naghman worked as a Senior Energy and Data Consultant in the City of London working on large energy audits, sustainability consulting and big data applications.


Alex Chalkias (Events Secretary) – Hilson Moran

Alex is a senior consultant working within the Sustainability group as part of a team of 30 people. His main focus is buildings physics, building regulation and certification as well as reviewing other group members’ work to ensure technical excellence and consistency in its approach and execution.
He holds an MEng in Civil Engineering, Environmental Technology & Transport, an MSc in Environmental Design & Engineering and is a Member of CIBSE. Over the years he has been involved in a variety of projects within the UK and internationally, including commercial offices, retail, education, mixed use and residential schemes.



Committee Members:

Dr Annie Marston - Sim2
Dr Antonino Saporito - Ramboll
Mr David Cocking - DesignBuilder
Ms Gabriela Costa - SWECO
Prof Hazim Awbi - The University of Reading
Dr Rokia Raslan - UCL
Ms Vasiliki Kourgiozou - Hodkinson Consultancy
Dr Zsolt Bako-Biro - GT Advanced Ltd.

Co-opted Members:

Mr Hadi Ibrahim - Buro Happold
Dr Hasim Altan - British University Dubai
Prof. Malcolm Cook - Loughborough University
Dr Sahm Sawaf - Arup