Aaron Tachibana

Director of Finance/CFO at PERSONALIS, INC.

Net worth: 2 M $ as of 31/05/2026

65 year

43 connections

Distribution Services

Electronic Technology

Finance

Profile

Aaron Tachibana is Chief Operating & Financial Officer at Personalis, Inc. since 2023, with employment at the firm starting in 2019.
Former roles include Treasurer & Director at Lumentum Optical Corp., Chief Financial Officer & Senior Vice President at Asyst Technologies, Inc. in 2010, Chief Financial Officer & Senior Vice President at Pericom Semiconductor Corp.
from 2011 to 2013, Vice President-Finance & Controller at Viavi Solutions, Inc., Chief Financial Officer & Executive Vice President at Lumentum Holdings, Inc. from 2015 to 2018, Vice President-Corporate Planning & Development at Allied Telesis, Inc. in 2003, Vice President & Controller at TeraStor Corp.
in 1999, Chief Financial Officer & Vice President at Tapcast Ltd. in 2000, and Vice President-Finance & Controller at Jds Uniphase Corp.
from 2013 to 2015.
Education includes undergraduate studies at San Jose State University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
PERSONALIS, INC. 0.19%	29/06/2026	198,833 ( 0.19% )	2 M $	31/05/2026

Aaron Tachibana active positions

Companies	Position	Start
PERSONALIS, INC.	Director of Finance/CFO	01/03/2019

All active positions of Aaron Tachibana

Former positions of Aaron Tachibana

Companies	Position	End
LUMENTUM HOLDINGS INC.	Director of Finance/CFO	31/08/2018
Jds Uniphase Corp. Jds Uniphase Corp. Computer CommunicationsElectronic Technology Manufactures communication equipment	Comptroller/Controller/Auditor	01/07/2015
PERICOM SEMICONDUCTOR	Director of Finance/CFO	01/10/2013
Asyst Technologies, Inc. Asyst Technologies, Inc. Financial ConglomeratesFinance Development stage company	Director of Finance/CFO	01/02/2010
Allied Telesis, Inc. Allied Telesis, Inc. Electronics DistributorsDistribution Services Manufactures networking products	Corporate Officer/Principal	01/06/2003

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Training of Aaron Tachibana

Experiences
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Private companies

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Linked companies

Private companies	11
Asyst Technologies, Inc. Asyst Technologies, Inc. Financial ConglomeratesFinance Development stage company	Finance
Pericom Semiconductor Corp. Pericom Semiconductor Corp. SemiconductorsElectronic Technology Designs, manufactures and develops semiconductor interface integrated circuits	Electronic Technology
Viavi Solutions, Inc. Viavi Solutions, Inc. Information Technology ServicesTechnology Services Provides network test, monitoring and assurance solutions	Technology Services
Personalis, Inc. Personalis, Inc. Medical/Nursing ServicesHealth Services Operates as a cancer genomics company which transforms the development of next-generation therapies	Health Services
Lumentum Holdings, Inc. Lumentum Holdings, Inc. Electrical ProductsProducer Manufacturing Manufactures optical and photonic products	Producer Manufacturing
Lumentum Optical Corp. Lumentum Optical Corp. Electronics DistributorsDistribution Services Supplies commercial Gas Cluster Ion Beam (GCIB) equipment	Distribution Services
San Jose State University San Jose State University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Allied Telesis, Inc. Allied Telesis, Inc. Electronics DistributorsDistribution Services Manufactures networking products	Distribution Services
TeraStor Corp.
Tapcast Ltd. Tapcast Ltd. Electronics DistributorsDistribution Services Provides broadband & wireless networks, servers, personal computes & peripherals and information technology services and designs, installs and supports network solutions	Distribution Services
Jds Uniphase Corp. Jds Uniphase Corp. Computer CommunicationsElectronic Technology Manufactures communication equipment	Electronic Technology