Tuff Yen

Genentech, Inc. develops, manufactures and markets pharmaceutical products for life-threatening medical conditions. It studies various areas including oncology, immunology, neuroscience, ophthalmic diseases, microbial pathogenesis, metabolic diseases, cardiovascular diseases, and opportunistic areas. The company was founded by Herb W. Boyer and Robert A. Swanson in 1976 and is headquartered in South San Francisco, CA.

Hambrecht & Quist Group, Inc. operates as a holding investment bank and provides securities brokerage services. The company is headquartered in San Francisco, CA.

BringIt, Inc. provides online gaming services. It offers a plug and play transactional platform which enables social gaming publishers to include challenges and tournaments. The company was founded by Woodrow H. Levin in 2008 and is headquartered in San Francisco, CA.

Seraph Group LLC (Seraph Group) is a venture capital firm founded in 2003 by Tuff Yen. The firm is headquartered in Atlanta, Georgia.

LifeSignals, Inc. develops wireless biosensor technology. It offers life signal processor, life signal patch, life signal cardiacApp, life signal receiver and with monitor accessory, and lifesignal SDK and development tools. The company was founded by Alberto Sangiovanni-Vincentelli, Ali M. Niknejad, Surendar Magar and Randall J. Lee in 2008 and is headquartered in Fremont, CA.

Airdog, Inc. operates in the technology industry. The company is headquartered in Palo Alto, CA.

Lucira Health, Inc. is a medical technology company, which engages in the business of developing and commercializing transformative and innovative infectious disease test kits. It operates through the following customer segments: the United States Healthcare (US Healthcare), United States Business to Business and Government (US Business to Business and Government), Direct to Consumer (DTC), and International. The US Healthcare segment provides solutions of choice for certain telehealth platforms and providers who are able to confirm diagnosis immediately and over a telehealth platform to drive treatment. The US Business to Business and Government segment is involved in selling OTC test kits to both employers and government organizations. The DTC segment includes selling directly to the individual consumer through online platforms. The International segment focuses on selling tests into Canada, Taiwan, Singapore, and Israel. The company was founded by Debkishore Mitra, John Robert Waldeisen, and Benjamin Ross on February 20, 2013 and is headquartered in Emeryville, CA.