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Katharine Knobil

Katharine Knobil

Scientific Advisor and director at Infinant Health.

DirectorPublic company
Updated Nov 10, 2026·Latest SEC filing Jun 11, 2026·Suggest an edit

About Katharine Knobil

Katharine Knobil is a scientific advisor and director at Infinant Health.

Katharine Knobil reports to the SEC as a director or officer of 5 public companies, including Korro Bio (KRRO), Marker Therapeutics (MRKR) and Pliant Therapeutics (PLRX).

Katharine Knobil first appears on SEC filings in 2019.

Experience

This experience comes from Katharine Knobil's profile and from SEC filings. For roles taken from filings, the years are when the filings name Katharine Knobil in the role, so the role may have started earlier or lasted longer.

Infinant Health, Inc. Current
Scientific Advisor and director
Non Executive Director (2025 – Present)
2025 – Present · Sacramento, CA
Makes infant probiotic products for parents and develops a treatment for premature babies.
Altesa BioSciences, Inc. Current
Chief Medical Officer
2025 – Present
Korro Bio, Inc. Current
Non Executive Director (2024 – Present)
Director
2024 – Present · Public company (KRRO)
Nimbus Therapeutics Current
Non Executive Director
2024 – Present
Pliant Therapeutics, Inc. Current
Non Executive Director (2022 – Present)
Director
2022 – Present · Public company (PLRX)
Marker Therapeutics, Inc. Current
Non Executive Director (2021 – Present)
Director
2021 – Present · Public company (MRKR)
Agilent Technologies
Chief Medical Officer
2021 – 2024
Arena Pharmaceuticals Inc.
Non Executive Director (2020 – 2022)
Director
2020 – 2022 · Public company (ARNA)
Kaleido Biosciences, Inc.
Chief Medical Officer
Consultant (2018 – 2021)
2018 – 2021 · Public company (KLDO)
National Health Council
Board Member
2017 – 2018
GSK
Chief Medical Officer
2005 – 2018

Key Colleagues at Startups

The people Katharine Knobil works with at each company, as listed on that company's latest Form D.

Infinant Health, Inc. · Form D, Jun 8, 2026
Michael Johnson
Michael Johnson
Chief Executive Officer and director
ML
Mike Liang
Director
Amanda Birdsey-Benson
Amanda Birdsey-Benson
Independent Board Member
RW
Roger Wyse
Director

Sources

  1. SECInfinant Health, Inc. Form D, filed Jun 8, 2026
  2. SECForms 3, 4 and 5 filed by Katharine Knobil (SEC filer 1768011)