He worked for eight years as a federal technician in various positions in human resources with the South Carolina Army National Guard.

The business, Kings Mountain Equipment Supply, leased slot machines to the casino, thereby financially benefitting Haley.

[12] In January 2012, Haley was deployed on a six-month tour of duty in Afghanistan as a captain in the South Carolina Army National Guard.

[14][20] Haley chaired the foundation that oversees the preservation and management of the South Carolina Governor's Mansion in Columbia.

Internal Revenue Service paperwork from 2019 indicates that Michael Haley worked 40 hours per week at the New York-based organization and received no compensation.