Timothy D. Kahlenberg

Xtent, Inc. is a medical devices manufacturing company. The company develops drug-eluting stent systems for the treatment of multi-vessel, multi-lesion coronary and peripheral vascular diseases. Xtent was founded in 2002 and is headquartered in Menlo Park, CA.

Medtronic, Inc. operates as a medical technology company. It offers implantable cardiac pacemakers, eternal defibrillators, inferior turbinate surgery products, and continuous glucose monitoring device. The company was founded by Earl E. Bakken and Palmer J. Hermundslie on April 29, 1949 and is headquartered in Minneapolis, MN.

LuMend, Inc. used to develop medical devices. It delivered technology and services to interventional cardiologists, radiologists and vascular surgeons specializing in endovascular techniques for the treatment of peripheral vascular diseases. The company also provided a clinical solution to chronic total occlusions. LuMend was founded by John B. Simpson & Matthew R. Selmon in 1996 and was headquartered in Redwood City, CA.

Guidant Corp. manufactures cardiovascular therapeutic devices. The company also provides cardiac and peripheral vascular repair surgical systems. It operates in Europe and Japan. Guidant was founded in 1994 and is headquartered in St. Paul, MN.

Ardian, Inc. manufactures the symplicity catheter systems. It is a medical device company that develops and researches catheter-based treatment for diseases such as hypertension, chronic kidney diseases, metabolic syndrome and heart failure. The company was founded by Denise Demarais Zarins, Allan R. Will, Henry A. Plain Jr., Howard R. Levin and Mark Gelfand in 2003 and is headquartered in Mountain View, CA.