Actually I think I said...
I guess I consider Visser reputable since he has been in the petro industry for 30 years (Although that may mean nothing as he could easily be swayed by special interest.)
see the part in parenthesis would indicate a bit of doubt on my part - hence forth I said he "might" for all intents and purposes be reputable, I am just not sure... not the mention the "I guess" part of the first sentence...