Neal Wimmer has been named director of training for General Business Services Inc. of Rockville, a small business counseling firm.

Owen E. Jackson has been promoted to vice president of Hill International Inc. The company represents clients throughout the U.S. and abroad in the resolution of construction claims.

Lucy E. Babb has joined AmeriPrint Inc., and Arlington-based printing company, as account executive.

William G. Phillips has joined the consulting firm of D.C. Associates Inc. as senior vice president.

Steven D. Sass has been named vice president for management systems for the Columbia-based consulting firm of ARD Corp.

Computer Data Systems Inc., a Bethesda-based professional consulting and data-processing services firm, announced the election of Donald F. Ross to vice president for systems development, Byron W. John to vice president for the electronic composition division and Harold A. Watson to vice president for information systems.

Stuart M. Patz has joined J. Robert Co. Inc. as executive vice president of RPR Economic Consultants, an independent subsidiary specializing in market research and consulting services for residential, retail, hospitality, office and industrial developments.

Retired Baltimore County Circuit Judge Marvin J. Land has been elected to the board of directors of Universal Security Instruments Inc. of Owings Mills.

Susan G. Clark has been named director of national programs for National Photographic Laboratories Inc.