Kenneth Martin

ONSET Ventures service corporation (ONSET Ventures service ) is a venture capital firm founded in 1984 by Terry Opdendyk and Michael James Levinthal. The firm is headquartered in Menlo Park, California.

Sadra Medical, Inc. develops therapies for treatment of aortic valve diseases. The company was founded by Fred Khosravi and Amr Salahieh in 2003 and is headquartered in Marlborough, MA.

Hansen Medical, Inc. develops, manufactures, and sells medical robotics designed for positioning, manipulation, and stable control of catheters and catheter-based technologies. It offers Sensei Robotic Catheter System which allows physicians to instinctively navigate flexible catheters with stability and control in interventional procedures within the atria heart chambers. The company was founded by Frederic H. Moll, Daniel T. Wallace, Marvin J. Slepian, and Robert G. Younge on November 18, 2002 and is headquartered in Redwood City, CA.

Cibiem, Inc. operates as a medical device company. Its catheter-based approach focuses on carotid body modulation for the treatment of sympathetic nervous system-mediated diseases such as hypertension, heart failure, diabetes, and renal failure. The company was founded by Mark Gelfand and Howard R. Levin and is headquartered in Los Altos, CA.