Vladimir Petrov has a master's degree in the specialty of an engineer in automatic control of systems. The author has been involved in TRIZ since 1972. He was a student, colleague, and friend of TRIZ author Genrich Altshuller. He conducted numerous TRIZ training seminars in various cities of the USSR. He co-organized the Leningrad Scientific School of TRIZ with Voluslav Mitrofanov and organized and delivered lectures in many TRIZ courses in the former USSR, Bulgaria, Czechoslovakia, South Korea, and Israel. He also assisted in organizing TRIZ schools in Germany, Bulgaria, Czechoslovakia, Slovakia, Vietnam, and Israel. He is a versatile TRIZ specialist with broad scientific interests. Denys Petrov has experience in IT industry and C-level position in different tech companies, among them Ericsson, Cisco, IBM. Currently, he is Director in Google Cloud and he is Leading Enterprise Business Central and East Europe. In his corporate business career, he has utilized various tools for innovative business problem-solving, including the theory of constraints, Design Thinking, 6Q, and the Blue Ocean Theory. In 2014, he became a student of Vladimir Petrov in TRIZ, and in 2016, he became Certified Level 3 Specialist. He is Author of articles on TRIZ in business and has participated in international TRIZ conferences. Since 2021, he has been Speaker at the Design Thinking Club in Silicon Valley, USA. He applied TRIZ business methodology in many IT companies and achieved great business results and recognitions

• Introduction.- Theoretical Part 5.- Practice of Resolving Business Problems 153.- Independent Work_ 221.