Mr. Arnak Poghosyan received his Ph.D. in Mathematics at the Institute of Informatics and Automation Problems of the NAS RA in 1998. Since 2010, Arnak has been working at VMware as a senior data scientist. In 1998, he started to work as a senior researcher at the Institute of Mathematics of the NAS RA. His research interests are approximations and interpolations, trigonometric series, numerical analysis, data science in cloud computing, machine learning applications, explainable AI, and AI adoption. He is delivering lectures in machine learning, time series analysis, differential equations, linear algebra, etc., at YSU and AUA.