Terrence Purnell is a clinical research and quality assurance professional with more than 10 years of experience in pharmaceutical operations. He earned a bachelor’s degree in biological science from Drexel University and a master’s degree in clinical pharmacology from Thomas Jefferson University. During his studies, Terrence Purnell gained early experience in research and completed certifications in clinical research and trials.

Mr. Purnell began his career as a quality assurance auditor at ICON Clinical Research before moving to a senior role at Quintiles, where he worked with teams and clients on compliance matters. He later served as head of clinical quality assurance (CQA) operations for the Americas at CSL Behring, where he oversaw audits, inspection readiness, and compliance planning across multiple regions. In that role, he was involved in regulatory processes that supported drug approval applications.

More recently, Terrence Purnell served as associate director of CQA at Takeda Pharmaceutical. His work there included inspection readiness, risk-based audit programs, and investigations into quality issues. He also mentored colleagues and contributed to regulatory submissions. Outside of his direct employment roles, Mr. Purnell has been active with the Society of Clinical Research Associates (SoCRA), to which he has spoken at annual meetings, as well as the Mid-Atlantic Society of Quality Assurance.