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Dean Pettit, Ph.D.

Chief Scientific Officer and Founding Partner at Just Biotherapeutics


As founding partner and CSO at Just Biotherapeutics, Dean brings a broad scientific background, and a deep commitment to advancing innovative technologies and challenging the industry to improve worldwide access to protein therapeutics. Over his career, Dean has held numerous leadership roles in process development functions at Immunex, Amgen, and Just including Drug Delivery, Formulation, Analytical and Formulation Sciences, and Drug Substance Development including Cell Culture and Cell Line Development, Purification, Analytical, and Bio-characterization functions. Dean played a key role in the development of a concept known as Product Attribute Control (PAC) that aims to actively measure the attributes of biopharmaceuticals during manufacturing and provide real time process control. Dean began his career working with medical devices at Allergan and then earned his Ph.D. and completed a postdoctoral fellowship in Protein Engineering at the University of Washington Department of Bioengineering.

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