He is chairman of the Florida-based law firm of Gunster Yoakley & Stewart and was chief of staff to Governor Charlie Crist.

[2] He also backed a $100 limit on the amount of money out-of-state companies could give to Florida candidates as a way of allowing working people to have a bigger impact in the system.

LeMieux also served as chief of staff for Crist's 2006 campaign for governor which defeated rival Tom Gallagher by 32 points to win the GOP nomination.

As campaign chief of staff, LeMieux shaped Crist's message and made key strategic moves, such as demanding lecterns for the second TV debate with Democratic opponent Jim Davis instead of a conference table, and also for deciding that Crist would not accompany President Bush on the day before the election.

[13] An editorial in the Wall Street Journal applauded the LeMieux amendment saying its reforms would "destroy the government-created ratings cartel" and that "Mr. LeMieux wants institutions to do some actual due diligence on the assets they hold instead of simply complying with the law by holding assets with a high rating from S&P.

"[14] LeMieux was involved in the high-profile blockage of President Barack Obama's nominee for United States Ambassador to Brazil, Thomas A. Shannon Jr., who was eventually confirmed.

The LeMieux Center will host an annual interactive lecture series featuring notable speakers on issues of public policy and servant leadership."

According to the University, the LeMieux Center will also offer an independent study program to two PBA upperclassmen starting in the fall semester of 2013.

On December 6, 2010, LeMieux decided that Palm Beach Atlantic University's Warren Library would house his senatorial papers and memorabilia from his service in the U.S.

His last video posted on August 25, 2009 focused on the governor's appointee to the Senate, a pick unknown to LeMieux himself who eventually became Mel Martínez's successor.

Now I can share that analysis with Florida's leaders.LeMieux said he will be able to help readers navigate through important and sometimes complex issues, offering clarity and context.

Among his civic and charitable commitments, LeMieux was the Chairman of the Broward County Republican Party, Chairman of the Jeb Bush re-election campaign, Republican nominee for the Florida House of Representatives – District 92, and served on the City of Fort Lauderdale Beach Redevelopment Advisory Board.

LeMieux received the "Pollie" award from the American Association of Political Consultants as the nation's "MVP" in a Republican campaign for 2006.