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Bradley Johnson, Ph.D.

Manager, Purification Development at Patheon Biologics


Brad Johnson leads the Purification Development department at Patheon Biologics’ St. Louis, Missouri, USA facility. Dr. Johnson has over 18 years’ experience designing and developing downstream purification processes for Phase I to Phase III biologic drugs, including monoclonal antibodies, enzymes, coagulation factors, glycoproteins, and recombinant proteins. He has worked previously in various leadership roles at biotechnology companies such as Genzyme, Biogen Idec, and several smaller biotech companies. Dr. Johnson graduated with a Ph.D. in Microbiology and Molecular Genetics from the University of Texas Health Science Center at Houston.

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