His main client was the Roman Catholic Archdiocese of New York for which he designed a number of ecclesiastical structures.
Notable buildings of Poblenou include the Torre Agbar (Jean Nouvel), Herzog & de Meuron's Forum Building (which houses Europe's largest scale model of a city), and the ME Barcelona Hotel (former Habitat Sky Hotel) (Dominique Perrault).
A contract to design the complex was awarded to New York-based Lacina Heitler Architects, following a competition featuring Swiss architects Herzog & de Meuron and Carlos Ott of Uruguay.