Who's on first?

Mary Ellen Condon has joined Booz Allen HamiltonInc. of McLean, Va., as a principal in the assuranceand resilience service offering for government agencies.Condon most recently was vice president anddirector of strategic services at SRA International Inc.Brenda Orth was named Pennsylvania deputy secretaryof information technology and state chiefinformation officer by state Secretary ofAdministration Naomi Wyatt. Orth succeeds KristenMiller, who resigned to return to the private sector.Tony D'Agata, vice president of federal sales atSprint Nextel Corp., of Reston, Va., will retire inMarch. D'Agata has been with Sprint for more thaneight years, and previously was vice president andgeneral manager of Sprint Government Systems.At Aerospace Corp. of El Segundo, Calif.: TammyChoy to principal engineer, leading engineeringanalyses and technology initiatives of theInformation Office and Corporate InformationResources Division; in the Chantilly, Va., office:Patrick Cheatham to associate principal director ofsensors, signals and electronics subdivision, electronicsand sensors division; Andre Montoya to principaldirector of planning and communications division,national systems group; Theodore Muelhaupt toassociate principal director of the system analysisand simulation subdivision, systems engineering division;Michael McLain to principal engineer responsiblefor formulating business strategies; GrantAufderhaar to general manager of the technologyinvestment program; Mark Brosmer to general managerof the launch and satellite control division;Richard Donnelly to general manager of the newlyestablished ground programs division; and SherrieZacharius to general manager of the physical scienceslaboratories with responsibility for research inthe Space Science Applications, Space Materials,and Electronics and Photonics laboratories.