Educated in Portugal and the UK. Simon studied at the Architectural Association from 1984 to 1990 and after graduation worked in London and Berlin. He worked with Pringle + Richards from 1991 to 1993, and taught at London Metropolitan University from 1993 to 1994.

Simon joined Pringle Richards Sharratt in 1997, a year after its foundation, and his work within the practice encompasses a wide variety of projects including commercial, cultural, exclusive residential projects and has particular experience of working with historic buildings. He was involved in the Glass Gallery at the V&A, Gallery Oldham, Tokenhouse Yard in the City, the Oldham Library & Lifelong Learning Centre, the new Academic Centre and at Cranleigh School, as well as a number of commercial and leisure projects in London.

Current projects include the refurbishment of Tilbury Riverside Station and Queen Mary University. Simon became a Director at Pringle Richards Sharratt in 2005.