personnel
Masayoshi Son — Chairman of the Board at ARM Holdings
Metadata
| Source Table | personnel |
| Source ID | YCSAd6tTif |
| Source URL | www.arm.com/company/board |
| Children | — |
| Created | Apr 8, 2026, 11:21 AM |
| Updated | Apr 8, 2026, 11:21 AM |
| Synced | Apr 8, 2026, 11:21 AM |
Record Data
id | YCSAd6tTif |
personId | Masayoshi Son(person) |
organizationId | ARM Holdings(organization) |
personEntityId | Masayoshi Son(person) |
personDisplayName | — |
orgEntityId | ARM Holdings(organization) |
orgDisplayName | — |
role | Chairman of the Board |
roleType | board |
startDate | 2016 |
endDate | — |
isFounder | No |
appointedBy | — |
background | — |
source | www.arm.com/company/board |
notes | Founder and CEO of SoftBank Group Corp., which acquired ARM in 2016. Chairs the board; SoftBank retains majority ownership of ARM post-IPO. |
Source Check Verdicts
confirmed95% confidence
Last checked: 4/11/2026
The source confirms that Masayoshi Son holds the role of Chairman at Arm Holdings. The 2016 start date aligns with SoftBank's acquisition of Arm in 2016, which would be when Son assumed this position. All key fields (person, org, role, and approximate start date) are confirmed by the source text.
Debug info
Thing ID: YCSAd6tTif
Source Table: personnel
Source ID: YCSAd6tTif