Dr. Donald Jeffrey Keyser

Interim Chief Operating Officer

Notable previous role and experience:
• COO of ZS Pharma
• VP, Development & Regulatory Affairs at Adams Respiratory Therapeutics
• VP, Regulatory Affairs at Encysive Pharmaceuticals (sold to Pfizer)
• VP, Regulatory Affairs at Medeva Americas (sold to Celltech)
• Regulatory affairs at Marion Merrell Dow, Marion Labs and Abbott Labs
• Advanced degrees from Creighton University and University of Missouri

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