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Weijie Yun

Director at Crossbar. Also a director at Ambiq Micro.

DirectorRoles at 2 startups
Updated Nov 2, 2026·Latest SEC filing Jan 29, 2024·Suggest an edit

About Weijie Yun

Form D filings for Crossbar from 2017 to 2024 list Weijie Yun as director.

Form D filings also name Weijie Yun as a director at Ambiq Micro.

Weijie Yun first appears on SEC filings in 2014.

Experience

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

Crossbar, Inc.
Director
2017 – 2024 · Santa Clara, CA
Ambiq Micro, Inc.
Director
2014 – 2016 · Austin, TX

Key Colleagues at Startups

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

Crossbar, Inc. · Form D, Jan 29, 2024
SW
Shicheng Wei
Executive officer
KZ
Ker Zhang
CEO and director
LY
Lei Yang
Director
SW
Sherman Wan
Executive officer
AS
Amit Shah
Director
BL
Brian Li
Executive officer
WH
Wen Hsieh
Director
MD
Mark Davis
Executive officer
Ambiq Micro, Inc. · Form D, Dec 22, 2016
SH
Scott Hanson
Executive officer and director
CJ
EH
Edward Hill
Director
SC
Sean Chen
Executive officer and director
WH
Wen Hsieh
Director
FE
Fumihide Esaka
Executive officer and director
RG
Ross Goolsby
Acting Chief Financial Officer

Sources

  1. SECCrossbar, Inc. Form D, filed Jan 29, 2024
  2. SECAmbiq Micro, Inc. Form D, filed Dec 22, 2016