From 2013 to 2024, Broussard was chief executive officer (CEO) of Humana, a healthcare company with headquarters in Louisville, Kentucky.

[2] Prior to joining Humana, he had several executive roles, including CEO of McKesson Specialty/US Oncology.

During the next year he was chief financial officer and executive vice president at Regency Health Services.

[16] He has also been credited with expanding Humana's focus from solely health insurance to an integrated healthcare model.

[18] Broussard's board roles include HP Inc., and chair of the trust for the National Mall.