Dyann Stewart has been in the construction industry for 27 years in various senior management roles such as Technical Manager, Business Development Manager and Commercial Manager, all within the window and door industry. She is the previous chairperson of the technical committee of the window and glass association of New Zealand and a previous deputy chairperson of the board of the window and glass association of New Zealand. While recovering from a serious accident, Dyann started DPS Consulting, and undertook the carbon analysis report for Technoform as a part of the consultancy work she was doing. Dyann is now a Façade Consultant with Technoform Bautec Asia Pacific undertaking projects to improve the industries knowledge of insulation solutions for windows, doors and facades which impact long term sustainability, energy efficiency and the carbon footprint of the built environment.