KB

Klaus Breiner

Founder of Pureos Partners AG

Freienbach, Schwyz

Overview 

Klaus Breiner is currently the Managing Partner at Pureos Bioventures, with a background in business strategy, mergers, private equity, and venture capital in the biotechnology and lifesciences sectors. Notable highlights of his career include co-founding Pureos Partners AG and Vaximm AG, as well as serving as a Partner at BB Biotech Ventures and holding various board director positions in prominent companies like VICO Therapeutics B.V. and AM-Pharma.

Work Experience 

  • Co-founder and Managing Director

    2021 - Current

    We are an independent Swiss VC Firm. Our Pureos Bioventures funds focus on private biotech companies in Switzerland and broader Europe developing innovative drugs for severe diseases.

  • Non-executive Director

    2021

  • Managing Partner

    2017

    BB Pureos Bioventures is a new venture capital franchise to exclusively invest in private innovative drug development companies with a special emphasis on the next generation of biological drugs and drug formats. For Pureos, we have assembled a new team of venture managers, biotech founders, scientists and big pharma & biotech executives, with long-standing experience in biologic drug development, company building and healthcare investing, and a wide-spanning network. We started Pureos as a joint venture with the Bellevue Group, which has a long tradition of healthcare investing, and is one of the largest and most experienced healthcare investors worldwide.

  • Partner

    2004

    Selected Investments: Alpex Pharma SA (secondary sale), AM-Pharma BV, Cadence Pharmaceuticals, Inc. (later publicly listed, subsequently acquired by Mallinckrodt), Neose Technologies, Inc. (asset acquisition), Orthocon Inc.(later merged to become AbyRx Inc.), Vaximm AG

  • Co-Founder & Vice-Chairman (Executive Chairman till mid-2016)

    2008 - 2022

  • Board Director

    2006 - 2021

ORTHOCON is a medical therapeutics company developing absorbable products for orthopaedic and spine surgeries.

Raised $47,500,000.00 from ProQuest Investments and Canaan Partners.

  • Senior Adviser Private Equity

    2004 - 2021

  • Board Director

    2007 - 2020

  • Board Director

    2011 - 2019

  • Board Director

    2007 - 2011

Articles About Klaus

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