I have heard of him!

I used his xapo wallet years ago when they started using the vault storage. Surprisingly you mentioned it @jrcornel about the 1%.

Here is my 1% I did 4 months ago when I first started with steemit.

https://steemit.com/life/@cassidyandfranks/are-you-the-1-or-how-to-become-the-1