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Ken Tamaru

Executive Advisor to the Government CIO (政府CIO補佐官) at Japan - The Government of Japan

CIO C-Suite
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Tokyo, Japan

Company Details

Employees: 274000
Revenue: 3626000000
HQ Location: Tokyo, Japan
Company LinkedIn: Pro only

Professional Summary

Ken Tamaru is Executive Advisor to the Government CIO (政府CIO補佐官) at Japan - The Government of Japan. Japan - The Government of Japan operates in the government relations industry and has 274000 employees. Based in Tokyo, Japan. Classified as a c-suite-level CIO leader. Their organization's technology stack includes Route 53, Amazon AWS, Google AdSense, YouTube, Cedexis Radar, and 6 other technologies. Japan - The Government of Japan reports annual revenue of 3626000000.

Industry & Role Insights

  • CTO Rank tracks 16,373 CIO leaders with verified contact information.
  • There are 134 tech leaders in the government relations industry in our database.
C-Suite level · CIO
Verified Apr 30, 2026

Position in the CTO Rank Database

  • Ken Tamaru is 1 of 16,634 leaders with the CIO role tracked in the CTO Rank database.
  • 23 hold the CIO role at government relations companies (out of 135 total government relations leaders in our database).
  • 1 hold the CIO role at companies with 274000 employees.
  • Typical CIO compensation: $230,000 – $500,000 (median $360,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.

Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated June 2026.

Frequently Asked Questions

How do I contact Ken Tamaru?

Ken Tamaru has a verified email address on file on CTO Rank. They work at Japan - The Government of Japan. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Ken Tamaru work for?

Ken Tamaru is Executive Advisor to the Government CIO (政府CIO補佐官) at Japan - The Government of Japan, a company in the government relations industry with 274000 employees. The company is headquartered in Tokyo, Japan.

What is Ken Tamaru's role in technology leadership?

Ken Tamaru is classified as a CIO leader at the c-suite level.

What technologies does Ken Tamaru's organization use?

Ken Tamaru's organization uses a technology stack that includes Route 53, Amazon AWS, Google AdSense, YouTube, Cedexis Radar, Adobe Media Optimizer. This information is useful for sales teams, recruiters, and technology vendors.

Is Ken Tamaru open to recruiting or new opportunities?

CTO Rank does not track open-to-work status. The best approach is to reach out directly to Ken Tamaru using the verified contact information available to Pro members. When recruiting a Executive Advisor to the Government CIO (政府CIO補佐官), personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.

Can I pitch or sell to Ken Tamaru at Japan - The Government of Japan?

Ken Tamaru is Executive Advisor to the Government CIO (政府CIO補佐官) at Japan - The Government of Japan. CIOs like Ken Tamaru typically evaluate vendors in Route 53, Amazon AWS, Google AdSense, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Ken Tamaru's profile data?

CTO Rank verifies and refreshes profile data weekly. Ken Tamaru's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.