Peter Boyd

Sonnest, Inc. is a company that specializes in developing a contrast agent called Electrast™. The company is based in Baltimore, MD. The inspiration for Electrast™ began in 2015 through a collaboration between Dr. Wrenn, the company's Chief Scientific Officer, and Dr. Brett Angel, an electrophysiologist at Drexel University. Electrast™ is a voltage-activated ultrasound contrast agent that activates with ultrasound and the heart's local electric field if the heart tissue is perfused and viable. The company was founded in 2019 by Steve Wrenn, Brett Angel. The CEO is Peter Boyd.

Protaryx Medical, Inc. is a medical device company, which develops differentiated transseptal access device that is itended for crossing the atrial septum of the heart to improve, streamline, and facilitate catheter-based. minimally invasive left heart interventional therapies. The company was founded by Terri Burke and James S. Gammie and is headquartered in Baltimore, MD.

Harpoon Medical, Inc. develops surgical services. It offers an image-guided, minimally invasive surgical tool for mitral valve repair that enables surgeons to access and repair the mitral valve in a beating heart via a small incision between the ribs without the need for cardiac arrest or cardiopulmonary bypass. The company was founded by James S. Gammie and Peter Wilson in July 2013 and is headquartered in Baltimore, MD.