Pro the Leader (fka The Professional) has been putting work in for over five years now. His latest release is a joint album with Warcloud aka Holocaust titled The Collabo Archives Vol. 1 and is available here.
All his past albums are now also available in the Chambermusik Store. Most of them feature Warcloud on multiple tracks and productions is provided by the likes of Skarekrow, Eric B, White Lotus and many more.