Your best solution to date?

Technically, the remarkable single span roof of Heathrow T5; environmentally, the Constitutional Court in Johannesburg; personally, customisation of the Green Star buildings rating tool.

Why is it significant?

T5 posed mammoth technical, design and construction challenges throughout the project; the Constitutional Court is a triumph of sustainable design in the public sector; Green Star represents a paradigm shift in the approach to energy in South Africa.

Your particular skill?

Long span steel structures, 3D design-modelling integration, sustainable use of materials in the built environment.

Enthusiasm?

Bucketloads.

Why Arup?

Durban, Johannesburg, Hong Kong, Bangkok, London, Durban - a seven year tour in my early career working on superb projects with motivated, knowledgeable people. There aren't many firms that offer that kind of opportunity.