Who's on first

and joined of San Francisco. Nissenberg is the company's new general counsel and vice president of corporate and legal affairs. Now Riverbed's corporate controller, Powers most recently was assistant controller for Oracle Corp. was named vice president of business development for defense systems at , McLean, Va. Healy most recently was with Dynamics Research Corp.Former Army joined , Springfield, Va., as vice president of intelligence and security services. Rotkoff will work with the company's national intelligence and security team. He most recently was program lead and manager for MZM Inc.Former Air Force joined , Ashburn, Va., as director of Air Force strategic programs. Kovach most recently was commander of the Air Force Communications Agency at Scott Air Force Base. joined , Falls Church, Va., as executive vice president and chief financial officer. Smith has held executive positions with the former American Management Systems Inc. and with Mitre Corp.The Bethesda, Md., chapter of the elected new officers, whose two-year terms began Sept. 1: , president; , president elect; , programs vice president; , treasurer; and , secretary., vice president at Booz Allen Hamilton Inc., was named to the board of directors, IT services division, for industry group of Arlington, Va. and joined , McLean, Va., as, respectively, account director and account coordinator. joined , McLean, Va., as vice president of sales and marketing. Toole most recently was vice president of marketing for Input Inc. The company also named as senior vice president of immixGroup and president of its immixTechnology subsidiary. joined 360-degree imaging developer , Reston, Va., as vice president of sales. , a specialist in IT law, joined , McLean, Va. was named CFO and chief operating officer at , Austin, Texas. Baker was a director of the investment banking firm Bank Street Group, and executive vice president and CFO of LiveWorld Inc.Former Air Force Reserve was named director of strategic initiatives at , Alexandria, Va. Morrow received the Legion of Merit Medal for her "visionary leadership" as chief of the Air Force's Special Management Office for Unmanned Aerial Vehicles. was named vice president and chief information officer of Northrop Grumman Corp.'s integrated systems sector, El Segundo, Calif. joined of San Diego, where she will focus on the company's data management and integration business. Stanick was vice president of product marketing for Datallegro Inc.The to its National Data Exchange advisory committee, and to its Law Enforcement IT Standards Committee. The IJIS Institute was formed by the Industry Working Group. has joined of San Diego as corporate controller. Whitman was CFO of Sorts Arenas Inc. joined , Cary, N.C., as vice president of U.S. government operations. Mazich was vice president of Symantec Corp.'s public sector. joined , Stamford, Conn., as director of Web search strategy for the IT consultancy's online reports and research. Denhup was search engine optimization manager for Interpublic Group of Companies Inc.Send personnel announcements to .