He's been asked about here before. His own profile contains the words "Yes, come 100% as you are. There is a library detailing every blunder and misstep of my life which shaped me into a man of understanding—especially the taboo ?.", and lists leather, S&M, Bondage, Latex, and Spanking among the activities.
I have no personal experience, but I would take that profile at face value ....
Here's at least one previous post: https://www.companyofmen.org/threads/411-boulevardman.146694/
(And it mention that there's a review on Daddy's review site).