Robert-Jan van SANTEN graduated from UPA3 Versailles (FR). He worked 4 years in “Atelier de Paris” with Renzo PIANO. He set-up "Bureau d'études facade van SANTEN" in 1989, which later became "van SANTEN & Associés" (1999), and eventually VS-A (2010). He co-founded VS-A.HK in 2011, and VS-A.KR in 2013, and is in charge of the coordination and share of knowledge between these offices. He was honored with the Silver Medal from the French Académie d'Architecture for Research and Technique in 2008. He leads several Design and R&D studies, which results are regularly patented. He set-up with Naree KIM the Korean start-up company UBLO, to develop a personalized ventilation window.