Man, congratulations!!!
Are you in the field of economics/finance? Would you kindly please share with us more about your background?
"My secret is a letter from my professor who was economic advisor of president." I really hope this secret weapon worked. I will be following your steps.
I am trying to get letters of recommendation from 4 past economic advisors of the President (including my doctoral advisor & 3 others in other universities that know my research well) to support my NIW. Truly hope their past kind-of-unique government background will help.