Nigel Clark is the Technical Director at Hilson Moran and has been involved in the design and construction of tall buildings for over 38 years, recently he has been involved with a number of large, commercial, mixed use and regeneration schemes totalling over 600,000 square metres – including 1 Bank Street at Canary Wharf, 20 Fenchurch Street and 100 Bishopsgate in the City of London. Bill Price is a Director at WSP | Parsons Brinckerhoff. Most recently he was one of the leaders of the design team responsible for the multi award-winning Shard in London.