Sen. Bill Cassidy

Dr. Bill Cassidy is the senior United States Senator for Louisiana. Bill grew up in Baton Rouge, Louisiana, and attended Louisiana State University (LSU) for undergraduate and medical school. In 1990, Bill joined LSU Medical School teaching medical students and residents at Earl K. Long Hospital, a hospital for the uninsured. During this time, he co-founded the Greater Baton Rouge Community Clinic, a clinic providing free dental and health care to the working uninsured. Bill also created a private-public partnership to vaccinate 36,000 greater Baton Rouge area children against Hepatitis B at no cost to the schools or parents. In the wake of Hurricane Katrina, Bill led a group of health care volunteers to convert an abandoned K-Mart building into an emergency health care facility, providing basic health care to hurricane evacuees.

In 2006, Bill was elected to the Louisiana State Senate. In 2008, he was elected to the United States House of Representatives to represent Louisiana's Sixth Congressional District. In 2014, he was elected to the U.S. Senate. Cassidy serves as Chairman of the Health, Education, Labor, & Pensions (HELP) Committee and serves as a member of the Finance Committee, the Energy and Natural Resources Committee, and the Veterans Affairs Committee. In 2023, he became Ranking Member of the Senate HELP Committee and was elevated to Chairman in 2025. He is the first physician to serve as HELP Ranking Member or Chairman since 1933, when it was called the Education and Labor Committee.

Bill is married to Dr. Laura Cassidy and they have three children. Laura is a retired general surgeon specializing in breast cancer. She helped found a public charter school to teach children with dyslexia.