Qi Wei Leong is a Senior Associate in CMC Manufacturing at Seres Therapeutics, with previous experience as a Senior Associate II at Catalent Pharma Solutions, where significant contributions included leading successful upstream manufacturing batches with Single Use Bioreactors and presenting project data to clients. At Catalent, roles also involved work with mammalian cell culture and equipment validation in a GMP setting. Prior experience includes an Undergraduate Research Assistant position at Attie Laboratory, focusing on diabetes genetics, a Student Supervisor role at Peet's Coffee & Tea, and a Quality Assurance Internship at GSK, where responsibilities included overseeing quality standards and product complaints. Qi Wei Leong holds a Bachelor’s Degree in Biochemistry from the University of Wisconsin-Madison, complemented by a Certificate in Computer Science.