Robert William Matthes is a former designer who worked at Hot Wheels from 2002 to 2017. He is noted as being the design lead for the Hot Wheels Elite 1:18 scale line along with their 1:50 lines. He served as a design manager for Hot Wheels from 2008 to 2017; he currently manages his own company, SpeedShift Art, specializing in automotive illustration. He rejoined Hot Wheels in 2024 in a part-time contractor role.