I can see reviews on his site for things like SENuke and many automated link building programs. He might know his stuff, without me looking into it further I couldn't tell you. However, any real SEO who is tried and tested will tell you to steer clear of methods that are automated. His site seems pretty honest though and it looks like he talks about varying methods of digital marketing.
Generally, if something is too good to be true then it usually is. Link building software is something I wouldn't touch personally.
There are a few methods of tiered link building. I'm not sure which one you are talking about in your question. Could you elaborate on the method?
If you are thinking about the generally accepted concept of tiered link building it would go something like this:
Tier 1: 10,000 links pointing to 10 websites
Tier 2: 10 websites pointing to 6 websites
Tier 3: 6 websites pointing to your main website
You can replace the amount of websites above with any you like but I entered 10 and 6 as just random numbers.
Can you confirm that this is your intention? If it is, don't do it. PLEASE! This is considered as evil spam by G.