Scale-up and Practical Aspects of Chromatography
Speaker Bios

Dr. Tessa Chao Technical and Development Manager, Biopurication EMD Chemicals Inc. Gibbstown, NJ USA
Dr. Tessa Chao has held the position of Technical and Development Manager in the Life Science Division since 1997. She is responsible for providing application and technical support for Benzonase® endonuclease and Fractogel® EMD resins. Prior to joining EMD Chemicals she was Assistant Director at Magainin Pharmaceuticals responsible for the production purification of squalamine and aminosterols as well as a peptide antibiotic. She has extensive experience in cGMP manufacture of immunoconjugates as well as cGMP purification of monoclonal antibodies from conditioned media. Dr. Chao earned her PhD. in Biochemistry from Temple University, Philadelphia PA.
Mr. Grant Espie Marketing Manager, Process Chromatography EMD Chemicals Inc. Gibbstown, NJ USA
Grant Espie has held the position of Market Manager for Process Chromatography since 2001 and has worked in the Merck organization since 1994. He is responsible for the development and production of technical materials for the support of the Process Chromatography Business in North America. He previously worked for Novasep as General Manager and later as Engineering Manager. His extensive experience in preparative column and system design enabled the setting up of US based design and manufacturing of both lab and process scale equipment. He has extensive experience in Silica based media manufacture and characterization from one of the UK's original media manufacturers - Phase Separations. Grant obtained his BSc. (Hons) in Applied Biology at the University of Hertfordshire, UK.