Peter became an architect after a career in experimental mathematics. He is the founder of bureau SLA, an architectural firm dedicated to a circular economy with inspiring designs. The office consists of a team of architects, structural engineers and builders, supported by architectural historians, landscape architects and energy experts. In addition to external commissions, the office works on its own initiative and with its own manpower on projects in which experimentation is explicitly sought. With a trial-and-error mentality, the use of materials, energy, waste flows, smart living & working and development projects are investigated and implemented. Peter van Assche is chairman of the committee for architecture and monuments in Utrecht and supervisor of architecture for the Utrecht stock exchange district.