Sartomer Company has promoted Bill Wittig, former marketing manager of monomers and oligomers, to business manager of its Specialty Polymers Group. In his new position, Mr. Wittig will oversee all business activities for the group, which supports formulators in the elastomers, plastics, coatings, adhesives, sealants, polyurethanes and graphic arts markets with an extensive offering of specialty resins. Mr. Wittig will report to Jack Potts, Sartomer’s senior vice president of business management,...