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spacer spacer Petri Vainio

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Petri Vainio

Petri Vainio is a Managing Director of Essex Woodlands Health Ventures. With over $1 billion of capital under management, Essex Woodlands is a leading global health care venture capital and private equity firm. Prior to joining Essex Woodlands in 2004, Dr. Vainio spent more than ten years as a General Partner of Sierra Ventures, one of Silicon Valley’s leading venture capital firms. Dr. Vainio joined Sierra Ventures in 1988; while there, he was a general partner in five successive funds and led their healthcare investment practice.

Dr. Vainio has been an early-stage investor in numerous successful companies in various sectors of healthcare, including medical device company Intuitive Surgical (ISRG), biopharmaceutical companies Onyx Pharmaceuticals (ONXX) and Theravance (THRX), and specialty pharmaceutical company Connectics (CNTX). He has served on the Boards of Directors of over 20 venture capital-backed healthcare companies. These have, collectively, raised over $1 billion in venture capital financing and reached an aggregate market value of over $5 billion. Dr. Vainio sits on the Board of Directors of Chroma Therapeutics and other private companies. He has an MD and a PhD in biochemistry with highest academic honors from the University of Helsinki, and an MBA from Stanford University.
 
   
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