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Simeon George

Director and 10% owner at ADARx Pharmaceuticals. Also a director at Avenzo Therapeutics and Rezo Therapeutics.

DirectorPublic companyRoles at 3 startups
Updated Nov 9, 2026·Latest SEC filing Sep 29, 2026·Suggest an edit

About Simeon George

Simeon George is a director and 10% owner at ADARx Pharmaceuticals.

Form D filings also name Simeon George as a director at Avenzo Therapeutics and Rezo Therapeutics.

Simeon George reports to the SEC as a director or major shareholder of 13 public companies, including Design Therapeutics (DSGN), Nkarta (NKTX) and CRISPR Therapeutics AG (CRSP).

Simeon George first appears on SEC filings in 2014.

Experience

This experience comes from SEC filings. The years are when the filings name Simeon George in the role, so the role may have started earlier or lasted longer.

ADARx Pharmaceuticals, Inc.
Director and 10% owner
2021 – 2026 · Public company (ADRX)
Design Therapeutics, Inc.
Director and 10% owner
2021 – 2026 · Public company (DSGN)
Nkarta, Inc.
Director
2020 – 2026 · Public company (NKTX)
CRISPR Therapeutics AG
Director
2016 – 2026 · Public company (CRSP)
Odyssey Therapeutics, Inc.
10% owner
2026 · Public company (ODTX)
Avalyn Pharma Inc.
10% owner
2026 · Public company (AVLN)
Zenas BioPharma, Inc.
10% owner
2024 – 2025 · Public company (ZBIO)
Avenzo Therapeutics, Inc.
Director
2022 – 2025 · San Diego, CA
Rezo Therapeutics, Inc.
Director
2022 – 2025 · San Francisco, CA
eFFECTOR Therapeutics, Inc.
10% owner
2021 – 2023 · Public company (EFTR)
Arcellx, Inc.
10% owner
2022 – 2023 · Public company (ACLX)
Turning Point Therapeutics, Inc.
Director
2019 – 2022 · Public company (TPTX)
Principia Biopharma Inc.
Director and 10% owner
2018 – 2020 · Public company (PRNB)
HTG Molecular Diagnostics, Inc.
Director
2015 · Public company (HTGM)
Genocea Biosciences, Inc.
Director
2014 · Public company (GNCA)

Key Colleagues at Startups

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

Avenzo Therapeutics, Inc. · Form D, Sep 5, 2025
CG
Carl Gordon
Director
GN
PM
JL
Judith Li
Director
PT
Paolo Tombesi
Executive officer
MH
Mohammad Hirmand
Executive officer
SL
Scott Lipman
Executive officer
AC
Athena Countouriotis
Executive officer and director
BS
Brian Sun
Executive officer
JA
Rezo Therapeutics, Inc. · Form D/A, Aug 18, 2025
DH
Derek Hicks
Executive officer and director
NK
Nevan Krogan
Executive officer and director
TA
Tiba Aynechi
Director
JC
GS
NB
Vineeta Agarwala
ADARx Pharmaceuticals, Inc. · Form D, Aug 10, 2023
RZ
Rui Zhu
Executive officer
JL
Judith Li
Director
Erez Chimovits
SG
ZL
Zhen Li
President and Chief Executive Officer, director
YS
CY
Chen Yu
Director
RS
Ricky Sun
Director
LK
Lorence Kim
Director
CG
Carl Gordon
Director

Sources

  1. SECAvenzo Therapeutics, Inc. Form D, filed Sep 5, 2025
  2. SECRezo Therapeutics, Inc. Form D/A, filed Aug 18, 2025
  3. SECADARx Pharmaceuticals, Inc. Form D, filed Aug 10, 2023
  4. SECForms 3, 4 and 5 filed by Simeon George (SEC filer 1595117)