Guillermo Parra Diez is a seasoned construction professional with extensive experience in project management and oversight. Currently serving as Jefe de obra at Construcciones Rubau since September 2018, Guillermo has directed significant projects, including The Icon. Previously, Guillermo held similar roles at Grupo Avintia and Isolux Corsan from 2007 to 2018, managing major undertakings such as electrical substations for Metro São Paulo with a budget of 8 million Reales, and substantial civil works for Metro São Paulo's Line 4 – Amarela. Guillermo's expertise extends to various projects, including university constructions and adaptations for accessibility. With a Technical Architecture degree from EUATM (2000-2006), Guillermo combines technical knowledge with practical leadership in the construction industry.