Guy is a partner of Alta Life Sciences SL and has been a board director at Sanifit. He is co-founder of Alta Partners, a leading venture capital firm in life sciences, funding over 150 companies in the healthcare/life sciences sector since 1996.
As one of the four original founders of Alta Partners, he was involved intimately with raising eight venture capital funds, leading to over US$2bn in investments in private and public companies. Through his guidance, Alta Partners has consistently ranked among those firms with the highest number of M&A or IPO exits in the life sciences industry.
He was involved in funding and developing notable medical technology and life science companies, including AcelRx, ATS Medical, Cutera, Innerdyne, R2 Technology, deCODE genetics and Vesica. He was also chairman of the board of ZS Pharma, before its sale to AstraZeneca for US$2.7bn. For three terms, he served as president of the Leukemia, Lymphoma Society of Silicon Valley.
He holds a bachelor’s degree in history from Stanford University and completed an MBA from University of Chicago GSB Booth.
