Our Mission Wilenchik & Bartness has experienced and proven attorneys who provide quality, "big firm" legal representation in a more responsive and less intimidating "small firm" atmosphere. The firm was formed in 1991 by Dennis I. Wilenchik and Becky Ann Bartness. Dennis was a senior partner/civil litigator with the international law firm, Squire, Sanders and Dempsey and Becky was General Counsel of Chase Bank of Arizona. Dennis has been a nationally certified civil trial advocate with the National Board of Trial Advocacy for over 20 years. Company Profile Our attorneys have represented small and large corporations, individuals, and various governmental bodies, including municipalities, the State of Arizona Attorney General's Office, the Maricopa County Attorney, and the Sheriff of Maricopa County. Wilenchik & Bartness is an A-V rated law firm and is listed in Martindale-Hubbell's Bar Register of Preeminent Lawyers. See Attorneys for a list of our esteemed attorneys, and for information on how to join the firm, see Careers.