Roisin O'Sullivan is an experienced professional in the pharmaceutical manufacturing quality control sector, currently serving as the Department Head at Astellas Pharma's Kerry Plant. O'Sullivan has held various roles including QC Manager in Chemistry and QA Manager. Previously, O'Sullivan worked at Wyeth Medica Ireland as a Compliance Supervisor. O'Sullivan holds a degree in Applied Physics and Electronics from the University of Galway, completed between 1999 and 2003, and has furthered professional qualifications through the American Society for Quality in 2011.