Don Mclean

IES is an innovative company at the forefront of the development and application of powerful software simulation tools and consulting services for architects, engineers and others involved in the design, development and management of truly sustainable buildings. IES’ mission is to advance the sustainability of the world’s buildings through the use of integrated building performance modelling technology which more intelligently and assuredly determines the measures required to mitigate climate change and conserve our natural resources for future generations.