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Tiba Aynechi

Director at MBX Biosciences. Also a director at Rezo Therapeutics and Avalyn Pharma.

DirectorPublic companyRoles at 2 startups
Updated Nov 9, 2026·Latest SEC filing Jun 5, 2026·Suggest an edit

About Tiba Aynechi

Tiba Aynechi is a director at MBX Biosciences.

Form D filings name Tiba Aynechi as a director at Rezo Therapeutics and Avalyn Pharma.

Tiba Aynechi reports to the SEC as a director of 5 public companies, including Spruce Biosciences (SPRB), Nkarta (NKTX) and Mirum Pharmaceuticals (MIRM).

Tiba Aynechi first appears on SEC filings in 2016.

Experience

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

MBX Biosciences, Inc.
Director
2024 – 2026 · Public company (MBX)
Rezo Therapeutics, Inc.
Director
2022 – 2025 · San Francisco, CA
Spruce Biosciences, Inc.
Director
2020 – 2025 · Public company (SPRB)
Avalyn Pharma Inc.
Director
2017 – 2023 · Seattle, WA
Nkarta, Inc.
Director
2020 – 2022 · Public company (NKTX)
Mirum Pharmaceuticals, Inc.
Director
2019 · Public company (MIRM)
iRhythm Holdings, Inc.
Director
2016 – 2017 · Public company (IRTC)

Key Colleagues at Startups

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

Rezo Therapeutics, Inc. · Form D/A, Aug 18, 2025
SG
DH
Derek Hicks
Executive officer and director
NK
Nevan Krogan
Executive officer and director
JC
GS
Avalyn Pharma Inc. · Form D, Oct 10, 2023
LB
Lyn Baranowski
Chief Executive Officer and director
KP
Ketan Patel
Director
PM
Peter Moldt
Director
ND
CL
JL
JC
Jill Carroll
Director

Sources

  1. SECRezo Therapeutics, Inc. Form D/A, filed Aug 18, 2025
  2. SECAvalyn Pharma Inc. Form D, filed Oct 10, 2023
  3. SECForms 3, 4 and 5 filed by Tiba Aynechi (SEC filer 1669220)