Auditor is a highly experienced medical professional with a diverse background in clinical research and quality assurance. He holds a Medical Doctor degree from The Medical University of Warsaw and has pursued further education in health care management. With a range of certifications and licenses, including ISO 15189 auditor, he has established himself as an expert in quality management systems. He has held various significant roles throughout his career, including owning and leading Kosieradzki.com, where he specializes in GCP auditing and QMS support for clinical trials. He has also served as a Quality Assurance Advisor for Polpharma Biologics and as a Senior Specialist in Global Clinical Quality Assurance at Janssen, among other positions. He is a fluent English and German speaker, with experience in anesthesia, critical care, oncology, and more. His extensive professional affiliations, presentations, and ongoing education demonstrate his commitment to excellence in the field.