His personal 'conduct' reflected poorly on the company. [=he behaved in a way that made the company look bad]
The way you 'conduct yourself' in an interview often determines whether or not you get the job.
Laws and regulations control the 'conduct' [='management'] 'of' business and trade.
(..) sexual relations with anyone other than the dominant. The submissive will eat regularly, to maintain her health and well-being The submissive will conduct herself in a respectful manner. To the dominant, and so only address him as Sir, Mr Grey. Or such other title, the dominant may direct. (..)2015 Fifty Shades of Grey