u American Biogenic Sciences Inc., Copiague, N.Y., hired Nathan Dinces as executive vice president for corporate development and licensing. u BioData Inc., San Mateo, Calif., appointed Barr Bauer as director of scientific computing. u Boron Biologicals Inc., Raleigh, N.C., named James Wilson as director of operations. u Creative BioMolecules Inc., Hopkinton, Mass., appointed Stephanie Marrus vice president of corporate development. u Cygnus Therapeutic Systems, Redwood City, Calif., appointed John Hodgman vice president finance and chief financial officer. u Darwin Molecular Corp., Bothell, Wash., appointed John Latham as director of chemistry, Robert Jones as director of computing, John Mulligan as director of sequence analysis and Steven Ziegler as director of molecular biology and immunology. u Dianon Systems Inc., Stratford, Conn., named John Davis as president and CEO. u Ecogen Inc., Langhorne, Pa., appointed Mary Paetzold as vice president and chief financial officer. u GeneMedicine Inc., Houston, named George Thornton as vice president, research and preclinical development. u International Murex Technologies Corp., Atlanta, appointed Robert Ahlgren to the newly created position of general manager of the North, South and Central American medical diagnostics operations.

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