Paul Klingenstein

Ample Medical, Inc. designs, develops, and manufactures endovascular medical devices. The firm develops minimally invasive medical devices to treat structural heart diseases. It develops a percutaneous system to treat functional mitral valve regurgitation in the setting of dilated cardiomyopathy. The company was founded by Robert T. Chang and John A. Macoviak and is headquartered in Foster City, CA.

VertiFlex, Inc. operates as a medical device company. It offers minimally invasive solutions for the treatment of lumbar spinal stenosis (LSS), which is the cause of spinal surgery in the elderly. The firm specializes in minimally invasive, motion preservation, spine and medical device. The company was founded by Moti Altarac in 2005 and is headquartered in San Clemente, CA.

EnteroMedics, Inc. is a medical device company, which in the design, and development of devices that use neuroblocking technology to treat obesity,metabolic diseases, and other gastrointestinal disorders. It offers vBlock system, which is a therapy to limit expansion of hte stomach, help control hunger sensations between meals, reduce the frequency and intensity of stomach contractions and produce a feeling of early and prolonged fullness. The company was founded by Mark B. Knudson, Robert S. Nickoloff, Timothy R. Conrad, Katherine S. Tweden and Richard R. Wilson on December 19, 2002 and is headquartered in St. Paul, MN.

Accel Partners LLC is a venture capital firm founded in 1987 by Jim Swartz and Arthur Patterson. The firm is headquartered in California, the US.

Warburg Pincus & Company US LLC engages in the provision of investment services. The company is headquartered in New York, NY.

Idun Pharmaceuticals, Inc. is a biopharmaceutical company that engages in the discovery and development of human therapeutics to control apoptosis. The company was founded by John C. Reed, Robert H. Horvitz, and Lawrence C. Fritz in March 1993 and is headquartered in San Diego, CA.

MedImmune Vaccines, Inc. develops, manufactures and markets live vaccines. Its developed vaccine is inhaled FluMist. The company was founded on April 15, 1992 and is headquartered in Mountain View, CA.

Posit Science Corp. provides brain training software. It offers brain fitness programs, insight and memory. The company was founded by Michael Merzenich in July 2002 and headquartered in San Francisco, CA.

Anacor Pharmaceuticals, Inc. develops medical solutions. The firm operates as a biopharmaceutical company, which focuses on discovering, developing, and commercializing novel small-molecule therapeutics derived from its boron chemistry platform. The company was founded by Lucy Shapiro, Stephen J. Benkovic, and David P. Perry in 2000 and is headquartered in Palo Alto, CA.

Aberdare Management Co. LLC (Aberdare Ventures) is a venture capital firm founded in 1999 by Paul H. Klingenstein. The firm is headquartered in San Francisco, California.

The John D & Catherine T Macarthur Foundation engages in making grants and impact investments to support non-profit organizations. The company is headquartered in Chicago, IL.

International AIDS Vaccine Initiative, Inc. researches and develops to prevent HIV infection and AIDS. It researches and develops vaccine candidates, conducts policy analyses, and serves as an advocate for the field with offices in Africa, India, and Europe. The firm's HIV research and development focuses on three strategies: the design of vaccine immunogens capable of inducing specialized proteins known as broadly neutralizing antibodies, the optimization and development of these antibodies as prevention products, and the development of replicating viral vectors and mRNA. The company was founded in 1996 by Seth Berkley and Lee C. Smith and is headquartered in New York, NY.

Elation EMR, Inc. engages in the development of electronic health record platform. Its practice solutions include charting, practice administration, and patient portal. The company was founded by Conan Hengwing Fong and Kyna Fong in 2010 and is headquartered in San Francisco, CA.

Medtronic Ablation Frontiers LLC provides technology solutions for cardiac therapy to cure heart arrhythmias focusing on a trial fibrillation. The firm focuses in the treatment of ablation therapy. The company was founded in 2004 and is headquartered in Carlsbad, CA.

Aviir, Inc. discovers, develops and commercializes diagnostic laboratory tests for cardiovascular diseases. The biotechnology company specializes in developing proprietary diagnostic tests to assist in identifying patients who are truly at high risk for the development of a cardiac event. The company was founded in 2005 and is headquartered in Irvine, CA.

Conatus Pharmaceuticals, Inc. is a biotechnology company that focuses on the development and commercialization of novel medicines to treat chronic diseases. The firm engages in developing emricasan, an orally active pan-caspase inhibitor, for the treatment of patients with chronic liver disease and is designed to reduce the activities of human caspases. It also develops CTS-2090, an orally active selective caspase inhibitor, for diseases involving inflammasome pathways. The company was founded by Alfred P. Spada, Jennifer Giottonini Cayer, and Steven J. Mento on July 13, 2005 and is headquartered in San Diego, CA.

MC10, Inc. develops stretchable silicon materials for the microelectronics industry. The firm's technology uses semiconductors in conjunction with interconnect and packaging technologies to produce conformal electronics. It offers solutions for applications in consumer electronics, medical devices, industrial products, defense systems, differentiated consumer products, industrial, and military markets. The company was founded by Carmichael S. Roberts Jr., John A. Rogers, Benjamin Schlatka, Marvin J. Slepian, George M. Whitesides, Gilman Callsen and Roozbeh Ghaffari in 2008 and is headquartered in Lexington, MA.

United Behavioral Health provides behavioral health and wellness programs. Its recovery and resiliency-oriented services include support programs, self-help tools, telephonic, and online coaching. The company's psychiatric services include crisis stabilization and medication management. United Behavioral Health was founded in 1979 and is headquartered in San Francisco, CA.

The Campaign Legal Center operates as a nonprofit organization that represents the public interest in reducing the influence of money in the political system, strengthening voting rights, and regulating lobbying. The company was founded by Trevor Potter in 2002 and is headquartered in Washington, DC.