 In March 2013, Guy announced that he had approved plans for the tallest tower in the southern hemisphere – Australia 108 – with a height of 388 metres, 90 metres higher than Eureka Tower.This approval drew criticism from the Melbourne Lord Mayor Robert Doyle who was concerned the building would cast a shadow over the Shrine of Remembrance, and from planning academic, Professor Michael Buxton, who referred to Guy as "Mr Skyscraper.