Managing Directors


Petri Vainio, MD, PhD, joined Essex Woodlands as Managing Director  in 2004. He has nearly 20 years of experience as a venture capital investor. Dr. Vainio spent more than 10 years, starting in 1988, as a General Partner of Sierra Ventures, one of Silicon Valley's leading venture capital firms with over $1 billion under management. While at Sierra, Dr. Vainio was a General Partner in five successive funds and led their healthcare investment practice. Dr. Vainio has been a lead investor in numerous successful healthcare companies in all sectors of healthcare including pharmaceuticals, biotechnology, medical devices and healthcare services. He has served on the board of directors of over 20 private and public healthcare companies. He has helped these companies raise over $1 billion in venture capital financing and reach an aggregate market value of over $10 billion.

Dr. Vainio sits on the Board of Directors of Chroma Therapeutics, Prism Pharmaceuticals, EUSA Pharmaceuticals, Healthcare Brands International and several other private companies.

Dr. Vainio holds a Doctor of Medicine and a Doctor of Philosophy in biochemistry with highest academic honors from the University of Helsinki, and a Masters in Business Administration from Stanford University.

 

   
  MANAGING DIRECTORS 
 
James Currie
 
Ron Eastman
 
Jeff Himawan, PhD
 Guido Neels
 
Mark Pacala
 
Martin Sutter
 
Immanuel Thangaraj 
 
Petri Vainio, MD, PhD
 Steve Wiggins

SENIOR ADVISORS
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