Comment by JaimeThompson

Yep, you are right, https://www.linkedin.com/in/markrussinovich/

But still in 2006 ReactOS already had its 0.3.0 version and 8 years of existence ^) And book Microsoft Windows Internals, Fourth Edition has already been released in 2004

“Recently” is relative. I find 2006 pretty recent.

Now, Anders has been there a while already...