Holder has been promoted to Supervisor, Customer Services, at the Everglades Branch in Fort Lauderdale, FL.
She joined the U.S. Postal Service as a Letter Carrier in 2007 and was an acting supervisor for several years before her promotion in June 2016.
Prior to postal employment, Holder served four years in the U.S. Army. She also has earned a Bachelor of Science Degree in Forensic Psychology at Kaplan University.