Information on copyright releases can be found here.
As to the conflict-of-interest issue, the thing to do is first to
request that some impartial third party create an article, a thing done here.
If an editor agrees that the organization passes muster under WP:GROUP, and an article is
created, then COI persons would make suggestions on the talk page of
the article, and other editors would take up the suggestions they found
most useful.
(I’d advise you to clarify the relationship between OPA,
the WWF, etc., because I was having trouble figuring it out from the
pages.)
