Ferrier began his career working at a maximum security prison in forensic psychology and has since worked everywhere from advertising agencies to marketing consultancies and has even run his own private practice. In 2004, Ferrier founded Naked Communications and the company focuses on building brands while also changing behavior. Ferrier is a member of the Australian Psychological Society and the Society for Consumer Psychology, and he sits on the Ethics Board of The Communications Council. Ferrier also runs the website, The Consumer Psychologist and his unique specialty interests make him a sought-after guest for television and talk radio. He is also a regular columnist in a number of publications.