Jerry J. Yacobellis has been appointed to the position of manager-marine insurance of the Inland Waterways Division, Pott Industries Inc., it was announced by Willard G. Olmstead, vice president and controller of the division. Pott Industries Inc. is a member of the Houston Natural Gas Corporation group of companies.

Mr. Yacobellis joins the Inland Waterways Division from Alter Barge Line, Inc., Davenport, Iowa. His new position with the IWD includes responsibility for all hull, cargo and liability insurance and claims for Federal Barge Lines, Inc., United Barge Company, and their wholly owned subsidiaries.