For the 113th Congress, he serves on the powerful House Ways and Means Committee, the oldest committee in Congress. It is responsible for considering legislation related to trade agreements, the national debt, the tax code and programs such as Medicare and Social Security. Since its founding in 1789, only eight Arkansans have served on the committee. Tim’s predecessor in the Second Congressional District and fellow Hendrix College alumnus, Wilbur D. Mills, was chairman from 1958 to 1975, making him the longest-serving chairman in the Committee’s history. Tim is the first Arkansas Republican ever to serve on the Ways and Means Committee. He also serves as an Assistant Whip for the majority.

Tim serves on the Human Resources and the Social Security subcommittees of the Ways and Means Committee.

Tim grew up in Magnolia where he attended public school before attending Hendrix College in Conway. He is a cum laude graduate of both Hendrix College, where he received his B.A., and Tulane Law School in New Orleans, where he received his J.D. He also attended graduate school at Pembroke College, Oxford University, in England.

Tim is currently serving in his 17th year as an officer in the U.S. Army Reserve, Judge Advocate General's (JAG) Corps, holds the rank of lieutenant colonel, and is assigned to the Southeast Medical Area Readiness Support Group as the Command Judge Advocate.

In September 2005, Tim was mobilized to active duty to serve as an Army prosecutor at Fort Campbell, Kentucky, the home of the 101st Airborne Division (Air Assault). In May 2006, Tim was assigned to the 101st Airborne Division (Air Assault) and sent to serve in Iraq. From May through August 2006, he served as an Army JAG in Mosul alongside the 172nd Stryker Brigade Combat Team (SBCT), for which he was awarded the Combat Action Badge.

He founded the Griffin Law Firm, PLLC, a Little Rock law firm and Griffin Public Affairs, LLC. He is licensed to practice in both Arkansas (active) and Louisiana (inactive) and is a fellow of the Arkansas Bar Foundation.

From 2006-2007, he served as U.S. Attorney for the Eastern District of Arkansas. During his tenure, in addition to federal criminal prosecutions, the U.S. Attorney’s Office provided outreach and training in rural counties and provided federal civil rights law training to law enforcement and community leaders.

In 2005, Tim served as Special Assistant to the President and Deputy Director, Office of Political Affairs at the White House.

He served as Research Director and Deputy Communications Director for the Republican National Committee (RNC) during the 2004 presidential campaign and Deputy Research Director for the RNC during the 2000 presidential campaign. From 2001-2002, he served as Special Assistant to Assistant Attorney General, Criminal Division, Michael Chertoff and was detailed as Special Assistant U.S. Attorney to the U.S. Attorney's Office for the Eastern District of Arkansas in Little Rock where he prosecuted gun and drug cases. From 1997-1999, he served as Senior Investigative Counsel for the Government Reform Committee, U.S. House of Representatives, and from 1995-1997, as Associate Independent Counsel, Office of Independent Counsel David M. Barrett.

Tim served on the board of the Florence Crittenton home for unwed mothers and Big Brothers Big Sisters of Central Arkansas. He and Elizabeth are members of Immanuel Baptist Church of Little Rock.