Oleksandr Malik received his M.Sc. degree in Physics and Ph.D. in Physics of Semiconductors and Dielectrics from the Chernivtsi University, Ukraine, in 1971 and 1980, respectively. He specialized in thin metal-oxide film technology and its applications used in optoelectronic devices during 30 years of scientific and industrial activity. From 1996 to 1999, he worked in Portugal as an invited scientist. Since 2000 he works as a titular researcher at National Institute for Astrophysics, Optics, and Electronics (INAOE), Electronics Department, Puebla, Mexico. His activity is connected with the development of new semiconductor materials and semiconductor detectors. O. Malik is an author of about 200 scientific papers. He is a Senior Member, IEEE.