41st Parameter Names Sales VP

Scottsdale, Arizona-based 41st Parameter, a venture backed developer of fraud detection and prevention software, said this week that it has named David Walker as its SVP Worldwide Sales. Walker was most recent SVP Business Development at Solidcore Systems, which was acquired by McAfee. 41st Parameter is venture backed by JAFCO American Ventures, Kleiner Perkins Caufield and Byers, and Norwest Venture Partners.