The Atlanta Chamber of Commerce has named J. David Tholen,president and chief executive officer of Nocross, Ga.-basedInternational Murex, to head the Chamber's Biotech/BiomedicalTargeted Industry Task Force.Enzon Inc. of Piscataway, N.J., has appointed Peter Tombros presidentand chief executive officer.Gliatech Inc. of Cleveland, Ohio, has named Jonathan Petrie vicepresident, medical affairs.Cellcor Inc. has elected Harry Wilcox III senior vice president,business development, and chief financial officer.

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