Only people who have no clue what they are talking about laugh from ignorance at Krugman. I know that includes you. Among the educated, he is taken serious.
As per your request, here is a list. I'm sure there are many many many many more, but I think you get the idea.
Greg Anrig, Laura Tyson, James Galbraith, Warren Buffett, Mark Zandi, Joseph Stiglitz, Dean Baker, John Judis