Auditor Antoniou executes a thoroughly meticulous methodology, primarily focusing on sterility and contamination prevention. He does not hesitate to point out lapses, especially in aseptic processing areas, personal practices and equipment hygiene standards.

Jon P Antoniou is zealous about maintaining aseptic conditions and proper facility maintenance. Observations suggest that he prioritizes hygiene and environmental quality, with specific attention to personal practices, handling of sterile equipment, and appropriate storage/use of materials. He consistently identifies issues related to improper handling, contamination risks, and suboptimal maintenance. Auditor Antoniou also demonstrates acute awareness of potential cross-contamination risks, especially with hazardous and beta-lactam drugs. He also exhibits a keen eye for substandard facility designs that threaten product sterility.