In 2016, Correll was a leader in the effort to deny Donald Trump the Republican nomination through the use of a federal lawsuit, amendments to Convention rules, and floor action at the 2016 Republican National Convention in Cleveland, Ohio.
In 2016, Correll was a leader in the effort to deny Donald Trump the Republican nomination through a federal lawsuit and through a Super PAC. On April 16,2016, he was elected as a national delegate from the 10th Congressional District of Virginia to the 2016 Republican National Convention in Cleveland, Ohio.