Who is region 4 chairman?

As of my last update in October 2023, the specific individual holding the position of Region 4 chairman may vary depending on the context, such as whether it refers to a particular organization, governmental body, or other entity. To get the most accurate and current information, it's best to consult the relevant organization's website or recent news sources. If you specify the organization or context, I might be able to provide more tailored information.