San Francisco-based advertising agency MUH-TAY-ZIK | HOF-FER has announced the signing of Dean Casalena as director of technology. Casalena brings over 12 years of engineering and leadership experience to the agency, having worked with brands including Coca-Cola, Disney and Microsoft. In his new role Casalena will engage in strategic discussions with clients, bringing technical insight and practical engineering direction that will push digital projects to completion and success. Casalena is a native South African and began his career in technology and advertising in high school.