Pasadena-based Motia said today that it has hired two additional executives to the firm. Motia has hired Skip Hoover as VP of Sales and Jim Mravca as VP Strategic Marketing. Hoover was most recently VP World Wide Sales at Sirenza Microdevices, and has served at WJ Communications and M/A-Com. Mravca was most recently VP Strategic Marketing at WJ Communications and has also served at Watkkins-Johnson. Motia is developing smart antenna semiconductors for improviding the performance of wireless systems. Motia is backed by Axiom Venture Partners, Carrot Capital, Intel Capital, Kodiak Venture Partners and Prism Venture Partners.