Jeffs brings over 25 years of biopharmaceutical industry experience, including 18 years at United Therapeutics where he retired in 2016 as president and co-CEO.
At United Therapeutics, Jeffs led the clinical development, regulatory approval, and commercialization of six rare disease products and managed the commercial effort that produced USD1.5 bn in annual revenue.
Prior to United Therapeutics, he held positions in clinical development at Amgen and Burroughs Wellcome.
Jeffs currently serves as a member of the board of directors of 4 public biopharma companies: Albireo Pharma, Axsome Therapeutics, Dova Pharmaceuticals, and Sangamo Therapeutics.
Spyryx Biosciences is developing innovative therapeutics to address severe pulmonary diseases. Its lead clinical candidate, SPX-101, is completing a multinational Phase 2 study as a novel treatment for cystic fibrosis.
The company is funded by a first-tier syndicate of life science investors, including Canaan Partners, 5AM Ventures, and Hatteras Venture Partners.
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