Brenda has been involved in the Democratic party for several years by volunteering her time to support various causes within the party. She has volunteered in phone banking for local candidates, participated in voter registration drives, she has helped put together fundraising events, volunteered to register delegates at the 7th Congressional District Convention, and she currently participates at the Duplin County Democratic party as a vice chair. She is also a member of the Democratic Women of North Carolina. Brenda has faithfully attended many Democratic meetings, trainings, and conventions.

Brenda is married to 7th Congressional District Chair Francisco RivasDiaz. Brenda is a Patient Services Representative for Goshen Medical Center/Bilingual Interpreter. She has worked with Goshen Medical in Wallace for seven years. As a patient services representative and Interpreter Brenda handles various tasks daily. Some of these are registration of patients, placing charges or transactions for medical services, scheduling appointments, balancing money transactions, coding services provided, and interpreting for non-English speaking patients.