Gillan has been a successful Realtor® in La Canada Flintridge and the surrounding communities since 2002. She builds an alliance with each client, serving as their facilitator and negotiator in an effort to achieve the goal of buying or selling a home. She is active in the community, having served on the board of the Pasadena Humane Society and co-chaired several events for local schools and the La Canada Educational Foundation and has served on the Executive Leadership Team of Go Red for Women 2019-20. Gillan lives in La Canada with her husband, two children, two dogs and three cats.