William G Whitford is Sr. Manager, Cell Culture, GE Healthcare in Logan, UT with over 20 years experience in biotechnology product and process development. He joined the company 12 years ago as a team leader in R&D developing products supporting biomass expansion, protein expression and virus secretion in mammalian and invertebrate cell lines. Products he has commercialized include, defined and animal product-free hybridoma media, fed-batch supplements, and aqueous lipid dispersions. An invited lecturer at international conferences, he has published over 250 articles, book chapters and patents in a number of fields in the bioproduction arena. He now enjoys such industry activities as serving on the editorial advisory board for BioProcess International.