In the past, Bush has worked for the California Franchise Tax Board, the California Department of Insurance, McHugh & Associates and Assemblyman Martin Garrick (R-Solana Beach). She also co-chairs the charity committee for Capitol Network, which raises and distributes funds to charities that provide services to women and children across California.
Most recently, Murillo served as director of member services at the American Council of Engineering Cos. (ACEC) of California, where he managed recruitment programs, business development and marketing for five years. He is the state chair of the state membership committee for the California Society of Association Executives (CalSAE) and sits on the Sacramento Regional Council of CalSAE. He also serves as an officer on the board of his college fraternal alumni association.