Ray Davis of Unisys Corp. has been promoted to vice president of integrated services for the company's federal systems organization.

WISE Interactive Studies Enterprise Inc. of Grand Prairie, Texas, has named Steven L. Cass northeastern regional director for the training software company.

BTG Inc. of Fairfax, Va., has named Paul G. Leslie its executive vice president and chief operating officer.

Mark J. Gerencser has been elected to the board of directors of Booz, Allen & Hamilton Inc. of McLean, Va. Gerencser is a vice president of the firm.

GRC International Inc. has named Michael G. Stolarik as executive vice president and chief operating officer. He will be responsible for all day-to-day operations of the Vienna, Va., company.

Frank D. Derville has joined American Management Systems Inc. of Fairfax, Va., as a director of strategic partnerships in the federal financial management and administrations practice.

Adam Konowe has joined Stackig Advertising and Public Relations, a unit of TMP Worldwide Inc. of McLean, Va.

Alpha Technologies Group Inc. of Beverly Hills, Calif., announced that Lawrence Butler has been named chairman of the board and chief executive officer. Robert C. Streiter has been named president and chief operating officer and was elected to the board of directors.

Michael Ressler has joined Global Integrity Corp. of Reston, Va., a subsidiary of Science Applications International Corp. Ressler will be division manager for security consulting services.

AverStar Inc. of Burlington, Mass., announced several changes to its management team. Joseph Saponaro has been promoted to president and chief operating officer. Barbara Landes has been appointed executive vice president and chief financial officer. Bruce Burton has been named executive vice president.

Katherine Nickell has joined Performance Engineering Corp. of Fairfax, Va., as director of business development for development operations.

PlanGraphics Inc. of Frankfort, Ky., announced several personnel additions. William T. Elliott and George W. McGregor have joined the company as executive consultants, Brenda L. Hagg is marketing and sales support manager, Jennifer M. Rouse is a senior systems analyst, Heidi L. Johnson is a systems analyst, and Robert J. McCue is a records technician supervisor.

Kendall Dean is vice president and general manager of the Americas Enterprise Services business for Global Knowledge Network Inc. of Burlington, Mass.

Datacard Group of Minnetonka, Minn., announced the appointment of Jerry E. Johnson as president and chief executive officer.

Jerry Agee has been named vice president and general manager of TRW Inc.'s federal enterprise solutions strategic business unit. The unit is based in Reston, Va.

Angelique Manning has joined Advice Unlimited as public-relations account executive in Olney, Md.

Raytheon Systems Co. of Arlington, Va., appointed Philip E. Graham vice president of information technology and chief information officer.


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