Ilya Semionoff is a French architect, with a degree in Urbanism and Bioclimatic Architecture at Paris ‑ La Villette University.
Since 2002 has developed innumerous works in Heritage Building on architectural specialties as Restoration, Reconversion and Remodelation by   “Ilya Semionoff Lda.” and “Silhar, actividades de Arquitectura e Arqueologia.” firms.

Dedicated, as an architect, into environmental systems implementation, contemplated on Passiv Haus Institut directives, exploring traditional construction techniques; with eco-friendly materials use. Since 2010 has established close partnership with ‘NaturSitta – Gabinete de Projectos Ambientais” implementing new methodologies on subjects like Nature Conservation and strategies of ‘Business & Biodiversity’.