Born in Jefferson Parish and raised in Lafayette, Jean-Paul is a partner at Andrus Boudreaux-Complete Title, a real estate law firm and title company. He graduated from Louisiana State University with a B.S. in Finance in 2000, having completed the LSU Center for Internal Audit program, and received his J.D. and Bachelor of Civil Law from Paul M. Hebert Law Center at Louisiana State University in 2004.

Jean-Paul was elected to the Louisiana Legislature in 2015 where he served two terms in the House of Representatives, serving as chairman of the Natural Resources and Environment Committee, and was elected in 2023 to the State Senate, where he served as Vice Chairman of the Senate Commerce, Consumer Protection, and International Affairs Committee.

Jean-Paul was elected to the Louisiana Public Service Commission in November of 2024 and his current term ends December 31, 2030. He is married to Jennifer Joy Coussan and has three children.