Grover C. Wrenn was named chief executive officer at AppliedBioscience International Inc. of Arlington, Va. Wrenn, who hasbeen president, chief operating officer and a director since1991, replaces Kenneth H. Harper, who will remain chairman.

CytRx Corp. of Norcross, Ga., named James M. Yahres vicepresident of finance and administration. Yahres was vicepresident of investor relations for Rhone-Poulenc Rorer.

Steven Shoemaker was promoted to senior vice president fromvice president of drug development and medical affairs atSomatogen Inc. of Boulder, Colo.

Prizm Pharmaceuticals Inc. of San Diego named Marjorie AnnMohler director of preclinical development, Barbara Sosnowskistaff scientist, and Ana-Maria Gonzalez research scientist.Mohler was previously at Genentech Inc., Sosnowski was asenior research scientist at Ligand Pharmaceuticals, andGonzalez was principal investigator for the Department ofMolecular and Cellular Growth Biology at the Whittier Instituteof Diabetes and Endocrinology.

(c) 1997 American Health Consultants. All rights reserved.