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Birker Bahnsen
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Birker Bahnsen

Managing Director

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At a glance

Full Name
Birker B. Bahnsen
Title
Managing Director; Head of TA's Europe Healthcare Group
Firm
TA Associates
Firm Type
Global growth private equity firm
Investment Stage
Growth equity / private equity; minority and majority growth investments
Check Size
$150 million-$600 million equity investments
Target Company Profile
Profitable, high-quality growth companies; in healthcare, companies supporting better access to higher-quality, more affordable care
Sector Focus
Healthcare, with emphasis on medical technology, healthcare IT, life science tools, pharma/pharma services and specialized healthcare; also selected cross-sector European/Nordic investments
Geographic Focus
Europe, with TA's broader platform across North America, Europe and Asia
Location
London, United Kingdom

Background

Birker B. Bahnsen is a Managing Director at TA Associates in London and head of the firm's Europe Healthcare Group. TA says he joined the firm in 2009, has more than 15 years of private equity experience, and has led six investments at TA while co-sponsoring four additional investments.

Before TA, Bahnsen was an Associate Director at HgCapital and an Associate at Goldman, Sachs & Co. His education includes an MSc in Behavioral and Cognitive Science from the University of Oxford, an MEng in Manufacturing Engineering from the University of Cambridge, and a BA in Engineering from the University of Cambridge.

At TA, Bahnsen's board representation has included current roles with Biocomposites, Diatech Pharmacogenetics, Elos Medtech and Nexus AG, active investor involvement with Agilio Software and Inspired, and former board roles or involvement with Amann Girrbach, Internationella Engelska Skolan, MIS Implants Technologies and PhysIOL.

Investment Thesis & Focus

  • Focuses on European healthcare growth investing, especially companies in medical technology, healthcare IT, life science tools, pharma services and specialized healthcare.
  • TA's healthcare strategy is to partner with companies that support "better access to higher-quality, more affordable care."
  • TA's model is not seed or angel investing: the firm says its equity investments range from $150 million to $600 million and can support shareholder liquidity, growth working capital and acquisition financing.
  • Prefers management-team partnerships in either minority or majority positions; TA describes itself as an active board-level investor while leaving day-to-day operations to company management.
  • Looks for companies that can scale organically and through M&A. TA says Bahnsen has partnered with founders and management teams to accelerate organic and acquired growth, with a focus on innovation.
  • In Diatech, Bahnsen highlighted "organic and inorganic growth opportunities" and expansion of the company's addressable market and product portfolio.
  • In Biocomposites, he emphasized international scale, diversified product expansion and alignment with growing market demand and patient needs.

Notable Investments

  • Biocomposites - UK medical devices company focused on calcium compounds and products for infection management in bone and soft tissue; TA invested in 2017 and reinvested alongside Novo Holdings in 2025.
  • Nexus AG - German e-health software company; TA completed a tender offer in January 2025 for approximately 94.95% of shares accepted, with Bahnsen on the investment team.
  • Agilio Software - UK frontline healthcare operations software provider; Five Arrows and TA made a strategic growth investment in February 2024.
  • Diatech Pharmacogenetics - Italian molecular diagnostics company in cancer precision medicine; TA announced a strategic growth investment in April 2023.
  • Elos Medtech - Swedish medical-device CDMO; TA completed a majority growth investment in July 2021.
  • Inspired - Global private K-12 schools group headquartered in London; TA investment year 2017.
  • Amann Girrbach - Dental CAD/CAM systems provider; TA invested in 2010, exited to Capvis in June 2018.
  • Internationella Engelska Skolan - Swedish independent schools chain; TA invested in 2012, IPO on Nasdaq Stockholm in September 2016.
  • MIS Implants Technologies - Dental implants company; TA invested in 2011, acquired by Dentsply Sirona in September 2016.
  • PhysIOL - Belgian intraocular lens manufacturer; TA invested in 2015, acquired by BVI in February 2019.
  • Cath Kidston - British lifestyle brand; TA invested in 2010, acquired by Baring Private Equity Asia in September 2016.

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