There is no one specific path to becoming a professional keynote speaker. However, there are certain things that will help you on your way. Firstly, it is important to have something valuable to say. This could be something you have learned through your own experiences or research that you have conducted. Secondly, you need to be able to articulate your message in an engaging and interesting way. This means being a good communicator and having the ability to capture your audience's attention. Finally, it is also helpful to have some kind of platform or following that can help promote your speaking engagements.