LENOIR, N.C.--(BUSINESS WIRE)--Greer, a leading developer and provider of allergy immunotherapy products and allergenic source materials, is pleased to announce the addition of Rosa Codina , Ph.D., as a Senior Research scientist in its Source Materials division. Dr. Codina’s responsibilities will include overseeing scientific research and providing technical support to customers. Greer’s Source Materials unit is a global leader in providing companies with allergenic materials to help them successfully meet their project and research needs. These products range from pollens and molds, to others that are more rare or complex.