In the frame of Marketing and Management of Knowledge classes (lecturer Nadia Artyukhova), on February 18, 2021, the head of the own advertising agency "Ya-mediabuyer", media buyer, architect of sales tunnels in messengers, Ph.D. Olena Yaroshenko was invited. The topic "How the expert can offer his services in the Internet space" was presented by speaker for the students of the Marketing Department. During the speech, Olena has shared interesting and useful information about Internet marketing issues and methods of knowledge implementation in practice, presented valuable recommendations for activities in the field of Internet marketing. During the discussion Olena also has answered to students' questions.