Jay Matsueda has joined independent Miller Group in Los Angeles as account supervisor. He will work on North American Scientific, First Federal Bank of California and The California Endowment, among other accounts. Matsueda, most recently at Donat/Wald, also worked at The Cimarron Group and Total Creative. Bill Williams, a 25-year advertising veteran of brands such as 3M, J.D. Power & Associates, Hormel Foods, GM Europe and Canada, Ford and Honda, has been installed in Miller's newly opened Dallas office as account director. Miller added Tina Montri as an account coordinator earlier in the year.