I know Peter Todd and interact with him quite a bit. He most certainly is involved in Viacoin a lot. He even quit MasterCoin to work on Viacoin. He sees it as a vehicle to implement his ideas, and Drak is an open collaborator. I've spent time with both of them.
see this also:
http://blog.viacoin.org/2014/10/01/petertodd-dev-update.html