Greg A. Onyszchuk, PhD

Managing Director, Business Strategy and Special Projects

Greg A. Onyszchuk, PhD, is Managing Director, Business Strategy and Special Projects for Cardinal Health Regulatory Sciences.

Role responsibilities

Dr. Onyszchuk develops business strategy and leads organic and inorganic growth initiatives, including business partnerships and new service development.

Professional experience

Dr. Onyszchuk has worked in the technology and life sciences industries for more than 30 years. Throughout his career, he has held roles of increasing responsibility in engineering, product development, product management, marketing, operations, business development and general management. He has extensive scientific training in neurodegeneration, traumatic brain injury and brain imaging.
Dr. Onyszchuk is a nationally recognized expert in FDA requirements for electronic Common Technical Document format and has extensive experience in planning and program management of New Drug Application (NDA) submissions.


Dr. Onyszchuk received a doctorate in physiology and neuroscience from the University of Kansas School of Medicine, a master’s degree from the University of Quebec at Montreal and a bachelor’s degree from McGill University.

Areas of Expertise

electronic Common Technical Document (eCTD) format

New Drug Application (NDA) submissions



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