Mikael Lemberg is an advertising director at Komfo who specializes in social media management. The document provides information on placing advertisements on various Facebook placements including the homepage, news feed on desktop and mobile, and search bar. It also summarizes the types of advertisements that can be used for each placement and bundles of placements that can be purchased together for targeted advertising campaigns. Instructions are provided on how to purchase advertisements through tools like Power Editor, APIs, and promotion buttons.