PEOPLE - CHEMICALS

PEOPLE - CHEMICALS

Karl E. Arfors was named to the newly created position of executive director of biological sciences.

Mr. Arfors will direct the company's research efforts focusing on the development of drugs targeted to treat diseases whose etiologies lie in the cells of the vasculature.Mr. Arfors most recently served as president of the La Jolla Institute for Experimental Medicine.

STEFAN CO. (Northfield, Ill.) - William W. Meier, senior vice president of finance and administration and a member of the board of directors, retired.

Walter J. Klein was named vice president of finance and chief financial officer. He was vice president and controller.

Charles P. Riley Jr. was named vice president of administration and regulatory affairs. He was vice president of manufacturing and engineering.

Henry Mork was named vice president of manufacturing and engineering. He was vice president of plant operations in the manufacturing and engineering department.

Mickey Mirghanbari succeeded Mr. Mork in that position.

Anthony J. Zoglio joined the company as plant manager at Millsdale, Ill.