"The OMB director puts together the budget," he continued, his voice hardly containing the excitement of now being in charge. "It handles every executive order. It is the clearing house for every single federal regulation. It has input into all the management of all of the federal agencies ... It is involved with everything. And I thought, 'that's where I want to be.'"
http://www.postandcourier.com/news/mick-mulvaney-says-he-s-about-to-become-the-most/article_4c41fbb0-f560-11e6-a987-7b7ca7088149.html