Gillan has been a successful Realtor in La Canada Flintridge and the surrounding communities for 13 years. 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. She currently is a La Canada Educational Foundation Director. Gillan lives in La Canada with her husband, two children, three dogs and a cat.