# Yoshihito Takashima: CTO, Tier IV

Canonical ID: `9dd390ad-7a29-4214-9379-6076e73435e5`

CTO of [Tier IV](/companies/tier-iv), the Japanese autonomous driving company that created Autoware, the world's leading open-source autonomous driving software. Holds degrees in computer science and mathematics from the University of Pennsylvania. Brought extensive experience from tenures at Microsoft and Amazon/AWS headquarters in large-scale 0-to-1 production environments. Joined TIER IV in May 2022; as CTO, oversees the entire R&D unit, spearheading both business and technical innovations for a rapidly scaling autonomous vehicle ecosystem.

- **Nationality:** Japanese
- **Verification posture:** reported

## Current roles (1)

- [Tier IV](https://registry.deploy.report/companies/tier-iv.md) Chief Technology Officer (secondary-verified)

## Former / Previously (2)

- [Microsoft](https://registry.deploy.report/companies/microsoft.md) Software Engineering (Microsoft HQ) (? to 2022-05-01) (secondary-verified)
- [Amazon](https://registry.deploy.report/companies/amazon.md) Software Engineering (Amazon/AWS HQ) (? to 2022-05-01) (secondary-verified)

## Sources (1)

1. https://tier4.co.jp/en/about-us


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