Education: PhD: Optics, B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus, 1991. Title of PhD thesis: " The dependence of light scattering characteristics of aerosols and foams on their microstructure." Master of Science: Theoretical Physics, Belarussian State University, Minsk, Belarus, 1983. Title of thesis: "The asymptotic light regime in deep layers of optically active light scattering media." Main research areas: Radiative transfer, multiple and single light scattering, optics of aerosols and hydrosols, foams, snow and clouds, inverse problems, remote sensing of atmosphere and ocean. Present position: Senior Researcher Laboratory of Light Scattering Media Optics B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus Skarina Avenue 72, Minsk 220072, Belarus November 1983- Present and Institute of Environmental Physics and Remote Sensing, Bremen University, Bremen, Germany March 2001 - Present