Sam McCallum

Sam McCallum has extensive experience in the medical and marketing fields, currently serving as a Clinical Marketing Specialist and previously as a Regional Sales Specialist at Mizuho OSI since July 2019. Prior to this, McCallum served in the US Navy from June 2008 to May 2015 as a Hospital Corpsman, where responsibilities included preventing and treating disease and injury, as well as assisting health care professionals in delivering medical care, particularly in support of the Marine Corps during combat and training scenarios.