After obtaining his Technological University Degree in Civil Engineering and Environmental Engineering in 1994, Gontran DUFOUR was awarded Architect D.P.L.G from the architecture school of LILLE. After 2 years of specific projects in architecture agencies, he joined van SANTEN and Associates in 2001 where he developed the thermal research team of the office. In 2002, he created with Robert-Jan van SANTEN van SANTEN and Partners which then became VS-A in 2010. He founded VS-A.HK together with Robert-Jan van SANTEN the following year. He is also a frequent speaker on thermal engineering techniques of building envelopes.