Andreas Mandelis (born 22 June 1952),is a professor and researcher at the department of Mechanical and Industrial Engineering at the University of Toronto and director of the Centre for Advanced Diffusion-Wave Technologies (CADIFT).He is an internationally recognized expert in thermophotonics.His research encompasses the non-destructive evaluation of materials with industrial and biomedical applications.He is considered a pioneer in the fields of diffusion-wave, photothermal and photoacoustic sciences and related technologies.He is the inventor of a photothermal imaging radar which can detect tooth decay at an early stage.He received Izaak Walton Killam Award in 2015.