Greg Ogrodnick


Greg was the cofounder and President of Conceptis Technologies Inc.: a leading medical media and education company whose main asset was Prior to this, Greg worked at prominent healthcare, information technology, and biotech companies. Currently an Executive in Residence for University Technologies International, Greg brings extensive experience to his role.

Matthias Friedrich, MD


Matthias is an internationally recognized cardiologist and professor of medicine at the Montreal Heart Institute. He has authored hundreds of articles, is a reviewer for several grant agencies and specialty journals, and is a member of numerous editorial boards and professional societies. Dr. Friedrich is a key opinion leader in CMR of acute and chronic heart disease.

Philipp Barckow, MD


Philipp is a physician, software developer, and long time professional associate of Dr. Friedrich. Dr. Barckow studied medical computer science at the University of Applied Science Berlin, to which his thesis was Rule-Based Analysis Of Multimodal MRI. He received his MD and cardiologist training from the Free University in Berlin.

Shirantha Samarappuli, PhD

VP Regulatory and Quality Assurance

Dr. Samarappuli has 20 years experience in the medical device industry as a quality and regulatory professional. He is a certified lead auditor for the ISO 13485/9001 standards. Dr. Samarappuli's expertise in global regulatory affairs and quality systems created a solid foundation for Circle.