As partner based in Latin America, Juan has pioneered new business opportunities for the practice, securing work in Brazil, Argentina, Chile and Colombia. He led the award-winning Buenos Aires City Hall, which since completion in 2015 has become an architectural icon for the city. Juan joined Foster + Partners in 2000, after postgraduate studies at Harvard Design School and working in Buenos Aires, New York and Boston. He worked extensively on the design of Wembley Stadium. He is a frequent speaker in events on sustainable architecture.