Sean Johnston, PhD
Consulting Head of CMC
Sean has previously worked in leadership roles in a number of start-up companies including Magainin and Greenwich pharmaceuticals. Most recently he was vice president of manufacturing operations at Paratek Pharmaceuticals, where he developed the manufacturing processes and assembled the supply chain for a novel antibiotic that was successfully launched in 2018. He has also held management roles in manufacturing and process development at a major pharmaceutical company, Bristol Myers Squibb and leading contractor manufacturers, Lonza and Siegfried. Sean obtained a Ph.D. and MBA for the National University of Ireland.