Emeritus Professor A.Kaufman has 28 years' experience of teaching at the geophysical department in Colorado School of Mines He received his PhD. in Institute of Physics of the Earth (Moscow) and degree of Doctor of Science from the Russian Academy of Science . From 1981 to 20015 he published 14 monographs by Academic Press and Elsevier, describing different geophysical methods. Most of them are translated and published in Russia and China. He also holds three patents, which found application in the surface and borehole geophysics. A. Kaufman is a honorary member of SEG.Jean Marc Donadille is Answer Products Manager at Schlumberger, Paris, France. He leads the department that develops the software suite which conducts petrophysical interpretation of SLB downhole tools. This involves the design and development of complex algorithms, and their packaging and commercialization as end products to clients. Donadille is actively engaged in the digital transformation through the adoption of machine learning and data analytics. Donadille also served as the Chairman of SPE France from 2015-2017, where he chaired the Board of Directors meetings and organized 28 professional conferences.