After graduating from California State University, Fullerton, Marilyn started her career with Fluor Corporation, an International Construction and Engineering Company based in Orange County. During her tenor, Marilyn participated in a number of studies comparing project and labor costs with those of international competitors. Marilyn later oversaw the study of competitive costing on a number of projects for Fluor Corp. After four years, Marilyn joined McDonnell Douglas Aircraft Corporation working in the Aircraft Finance Division as an Analyst and Project Administrator. She continued in that position for several years. In 2002, Marilyn joined Beverly Hills Property Holdings. BHPH is a developer of high-end homes in the Beverly Hills, Bel Air and Brentwood markets. Marilyn participated in project management, interior design and marketing of high-end homes. In 2012, Marilyn joined Triple R Group and provides administrative support to the Triple R team.