Yanis Varoufakis is a Greek economist who was a member of the Parliament of Greece between January and September 2015. He represented the ruling Syriza party and held the position of Minister of Finance for seven months. He voted against the terms of the third bailout package for Greece. Wikipedia*
On the C-SPAN Networks:
Yanis Varoufakis has two videos in the C-SPAN Video Library; the first appearance was a 2012 Speech as a Professor for the Economics of the National and Kapodistrian University of Athens.