Proto Corp. Names Toru Shiraki as New CEO after Privatization
Company - People | Jul 02, 2025 | Aim Group

Japan-based auto marketplace operator Proto Corporation has announced Toru Shiraki as its new CEO following the recent privatization of the company. Shiraki, who succeeds Kenji Kamiya, has been with Proto for over 25 years, mostly within its IT division, and has played a significant role in developing Goo-net, one of Proto's primary services. Having delisted from the Tokyo and Nagoya stock exchanges in a transaction exceeding $500 million, Proto aims to realign its business portfolio under Shiraki's leadership. Emphasizing social improvement and economic contributions, Shiraki envisions a shift toward resolving information asymmetry and fostering a circular economy through efforts involving the company's platforms like Goo-net.
Sectors
- Automotive
- Information Technology
- E-commerce
Geography
- Japan – Proto Corporation is based in Japan, and its recent business developments, including its delisting, occur within this geographic context.
Industry
- Automotive – Proto Corporation operates in the automotive sector, offering services such as auto marketplaces and maintenance platforms.
- Information Technology – Proto's business model includes IT solutions for the automotive industry, as seen in Goo-net's development.
- E-commerce – Proto Corp. also engages in e-commerce through its platform for spare parts, integrating technology in the auto market.
Financials
- $500 million – Valuation of Proto Corporation's privatization transaction.
Participants
| Name | Role | Type | Description |
|---|---|---|---|
| Proto Corp. | Target | Company | Japan-based auto marketplace operator recently privatized and delisted from stock exchanges. |
| Toru Shiraki | New CEO | Person | Appointed as CEO of Proto Corp. following a long tenure within the company. |
| Kenji Kamiya | Former CEO | Person | Preceding CEO of Proto Corp. who served since 2014. |