Sebastián diverse portfolio spans architecture, masterplanning, interior design, furniture and products. His extensive project work covers Europe, Asia, North Africa, the US and the Middle East, with a focus on large-scale cultural and mixed-use developments. Experienced in the design and technical execution across all stages of project development, his expertise also extends to infrastructure, office, residential, commercial, and airport projects. 

Prior to joining ZHA, Sebastián worked at Asymptote Architecture in New York, where he contributed to the Yas Marina and Hotel in Abu Dhabi, UAE, and the Circle at Zurich Airport in Switzerland.

Sebastián recieved an Architect Degree in Architecture and Urban Planning from the Universidad de Mendoza in Argentina, with exchange years at Universidad Anahuac in Mexico City and Virginia Tech in the US. He earned his Master of Architecture and Urbanism from the Design Research Laboratory (DRL) at the Architectural Association (AA) in London.

Sebastián has taught at the Bartlett School of Architecture (UCL) and the AA. In 2018, he served as a Unit Master for the AA Visiting School in Buenos Aires, Argentina. He is currently teaching Media Studies at the AA, where his course explores the generation of three-dimensional geometries using abstract images of natural elements.

Growing up in a family of architects in Argentina, Sebastián was immersed in the field from an early age and developed a deep understanding of the associated socio-economic complexities.