John Podesta was the chief of staff for the Clinton administration and is currently working in the Obama administration as an aide/consultant.
He has many years of experience in the White House and has been an advocate for UFO disclosure for some time now.
On February, 13th he Tweeted that his biggest failures working in the Obama administration was not disclosing UFO files and documents.
You can read the tweet here: https://twitter.com/Podesta44/status/566279431505731584
While there are many other Government UFO documents out on the net already as you can read here, He wants them all released including the ones that are marked top secret. It's interesting to see someone in such a high position working on the hill advocating for something like UFO disclosure, but it sure is interesting.