{"id":"9dd390ad-7a29-4214-9379-6076e73435e5","slug":"yoshihito-takashima","name":"Yoshihito Takashima","bioBrief":"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.","priorExits":null,"nationality":"Japanese","verificationPosture":"reported","aliases":[],"sources":[{"url":"https://tier4.co.jp/en/about-us","title":"About us | TIER IV, Inc.","sourceName":"TIER IV (official)"}],"reviewStatus":"reviewed","createdAt":"2026-08-09T17:04:44.316Z","updatedAt":"2026-08-10T14:12:37.406Z","educations":[],"companyRoles":[{"id":"6269faf0-eaee-4bed-88df-9bdb658b1839","personId":"9dd390ad-7a29-4214-9379-6076e73435e5","companyId":"8c8a9f0b-110b-4d16-aad1-20798e85da1b","role":"cto","roleTitle":"Chief Technology Officer","startDate":null,"endDate":null,"currentRole":true,"roleBasis":"verified_secondary","createdAt":"2026-08-09T17:04:45.080Z","company":{"slug":"tier-iv","name":"Tier IV"}},{"id":"42a51e3e-597b-4ef7-8f00-5757f1410651","personId":"9dd390ad-7a29-4214-9379-6076e73435e5","companyId":"b8670b58-67f2-4b87-9b46-9e16588dc1e6","role":"executive","roleTitle":"Software Engineering (Microsoft HQ)","startDate":null,"endDate":"2022-05-01T12:00:00.000Z","currentRole":false,"roleBasis":"verified_secondary","createdAt":"2026-08-10T14:13:23.195Z","company":{"slug":"microsoft","name":"Microsoft"}},{"id":"87bcfb88-804c-4ac4-b323-7009355693f5","personId":"9dd390ad-7a29-4214-9379-6076e73435e5","companyId":"b9b40dbf-7909-4d29-9bd9-e23f21bf06f9","role":"executive","roleTitle":"Software Engineering (Amazon/AWS HQ)","startDate":null,"endDate":"2022-05-01T12:00:00.000Z","currentRole":false,"roleBasis":"verified_secondary","createdAt":"2026-08-10T14:13:24.359Z","company":{"slug":"amazon","name":"Amazon"}}],"boardRoles":[],"investorRoles":[],"foundings":[]}