Jon Halling

Senior Consultant, GxPAssure

Jon Halling is an accomplished Pharmaceutical Quality Assurance professional with more than 30 years of experience across biologics (including monoclonal antibodies, hormones, and therapeutic proteins), vaccines (live attenuated monovalent influenza viruses), and advanced therapy medicinal products (ATMPs), spanning autologous, allogeneic, and viral vector-based modalities. His background covers both low bioburden and aseptic GMP manufacturing environments, gained through roles with innovative inhouse developers as well as contract manufacturing organisations.

Jon’s extensive expertise includes Quality Assurance—encompassing regulatory interactions with agencies such as the MHRA, FDA, PMDA, TGA and ANVISA—along with Quality Control, Analytical Development, Validation and Qualification of processes, utilities, cleanrooms, and equipment, as well as GMP training and capability development.

Recognised for his integrity, tenacity, honesty, empathy, and collaborative approach, Jon has built a reputation for elevating both his own professional growth and that of the teams and colleagues he supports. He thrives in environments characterised by complexity, novelty, and ambiguity, and is skilled at leading and empowering teams to deliver successful outcomes to unprecedented challenges.

A confident communicator and frequent ISPE conference speaker, Jon is passionate about sharing ideas and driving innovation. He is widely regarded as a resourceful problem solver and solution focused leader, capable of operating with credibility at all levels within and beyond his organisation.