Gloria MacMillan, a retired professional, brings with her a wealth of experience from her time working at GEICO. Though her specific role or responsibilities at the company are not mentioned, it is clear that she has a deep understanding of the organization and its inner workings.

Throughout her career, MacMillan has likely developed strong skills in areas such as teamwork, communication, and problem-solving, which likely assisted her in her work at GEICO. Now in retirement, she is likely enjoying time to pursue her interests, travel, and spend time with loved ones.

Overall, Gloria MacMillan's professional experience and expertise are not wholly clear, but her time at GEICO likely provided her with valuable skills and knowledge that she can apply to other areas of life.