Patient Square Capital names ex-Horizon CEO Tim Walbert senior advisor

  • Patient Square Capital named Timothy P. Walbert senior advisor, expanding its focus on therapeutics investing.
  • Walbert is managing partner of HRZN Partners, senior advisor to Amgen, former chairman, president, CEO of Horizon Therapeutics, which reached about USD 4 billion in annual sales before Amgen bought it for USD 28.3 billion in 2023.
  • He previously led IDM Pharma through its sale to Takeda, held senior roles at Abbott, Merck, Wyeth, G.D. Searle.
  • Walbert holds board seats across public and private health care companies, including Mirum Pharmaceuticals, Sagimet Biosciences, BioMarin Pharmaceutical.


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