He believes being prepared to stand up and take a view counted toward his selection.
"That's something that is quite difficult to do and does become easier the more people do it, the less people are afraid to stand up and put their head above the parapet and take the risk of being in the public domain."
Mr Weldon said the connections made through being a Blake Leader were inspirational and included people from all backgrounds.
"And with Blake leadership you don't just get an award and disappear. It can become quite a meaningful part of your life."
Since his award Mr Weldon has given time to public policy.
In March he hosted 40 Blake award winners at his home and vineyard in Queenstown where there were some "serious conversations about matters of national interest".
"That's just the sort of network that other countries have had through things like the Harvard alumni which are very powerful and supportive and we've never really had that. So this is not just a prize that you win ... you become a part of it."