Nuon Therapeutics, Inc., a clinical stage biotechnology company, has appointed Michael M. Kitt, MD, to the position of chief medical officer. dbMotion has expanded its North American executive management team to meet the increasing demand for innovative healthcare IT solutions. The following industry veterans have joined the company’s growing operations: Marty McKenna, as vice president of commercial operations and marketing, John Jordan, as vice president of sales focusing on the eastern United States, and Steve House as vice president of sales focusing on the western states. Anthony Cuva has joined One Call Medical, a diagnostic testing company for workers’ compensation, as the company’s chief information officer. The California Healthcare Institute has appointed Ritchard Engelhardt as associate director of government affairs based in Sacramento, Calif., and Holly Frisque as office manager based at the institute’s La Jolla, Calif. headquarters.  Zebra Technologies Corp. has appointed Bill Walsh as general manager of the Enterprise Solutions Division. The National eHealth Collaborative, formerly AHIC Successor, Inc., has elected John Tooker, MD, executive vice president and CEO of the American College of Physicians, to serve as chairman and Kevin Hutchinson, president and CEO of Prematics, Inc., to serve as vice chairman of the organization’s 2009 board of directors. VirtualLogix, Inc. has appointed Glenda M. Dorchak as chief executive officer. Imperva has promoted Mark Kraynak to vice president of marketing and Sharon Besser to vice president of product strategy. Cara Barde has been named president of Total Medical Solutions. American Sentinel University has added four new members to its healthcare advisory board: Valentina Gokenbach, Tim Porter-O’Grady, Roy Simpson and Nancy Marie Valentine. Tomi Ryba will become United Hospital’s new president. Aspyra, Inc., has named Joe Davis as regional sales manager for the Southeastern U.S. region. VMware has appointed Tod Nielsen to the newly created role of chief operating officer. Thomas Weisel Partners Group has added Mark Dempster to the firm as a managing director in investment banking focused on healthcare. Steven Satov joined the firm as a managing director in institutional sales and Kevin Tscherne joined as a director in trading focused on healthcare. Kerri Kelley Frye has been named chief accounting officer and vice president of finance at Passport Health Communications. Softek Solutions has hired David Hallberg as director of Millennium consulting services.