Unless the post is marked as contributed those posts without a byline will typically have been written by the Editor (Lei Parker). Often there are media releases that are presented as they are availed in respect of the author however, if required, these media releases are revealed as such so the reader is aware that the content may be biased. From time to time these media releases are also challenged by the Editor within the article.
Community contributions are always appreciated and if recognition of the contributor is requested or pertinent it will be made, otherwise generally not. Feel free to contact if you have any query as to the original author of a post. Enquiries can be made via the Editor.