With great pleasure we would like to introduce the third volume of "Journal of Modern Management Process" (JMMP) devoted to issues related to the instruments used in motivation, marketing and knowledge management. Our main is to present contemporary methods and techniques used by managers of companies and the directions of their application and improvement. The issue also covers the subject of cost management and ethics from the media management point of view. Hoping that the subject matter presented in the journal will meet your interest we also ask for spreading the information about it to students, postgraduates, and anyone looking for a platform to present the results of their scientific investigations. We invite everyone interested in submitting texts that fit into the subject theme of the journal or are polemics to published content.