Senior Scientist
 Infrared radiometry
Physikalisch-Meteorologisches Observatorium Davos World Radiation Center
Switzerland
He is Senior Scientist, Head of the section infrared radiometry of the World Radiation Center (WRC), Head of the section WORCC of the World Radiation Center (WRC), Head of the European UV Calibration Center. His current projects is on Maintenance of the Infrared Reference Group. Design and Development of absolute IR-Radiometers.
 Infrared radiometry