Company Details
Technology Stack
Professional Summary
Stanley Sum is Manager, IT Strategy Department | CIO Office at Rakuten. Rakuten operates in the information technology & services industry and has 30000 employees. Based in Tokyo, Tokyo, Japan. Classified as a c-suite-level CIO leader. Their organization's technology stack includes Akamai, Outlook, Facebook Widget, New Relic, Bootstrap Framework, and 19 other technologies. Rakuten reports annual revenue of 14596192000.
Industry & Role Insights
- • CTO Rank tracks 16,373 CIO leaders with verified contact information.
- • There are 166,587 tech leaders in the information technology & services industry in our database.
- • We have verified contacts for 39 tech leaders at Rakuten.
- • 1,141 tech leaders in Tokyo are available in our database.
Position in the CTO Rank Database
- • Stanley Sum is 1 of 16,634 leaders with the CIO role tracked in the CTO Rank database.
- • 2,802 hold the CIO role at information technology & services companies (out of 167,492 total information technology & services leaders in our database).
- • 32 hold the CIO role in Tokyo.
- • 49 hold the CIO role at companies with 30000 employees.
- • Typical CIO compensation in Tokyo: $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 Stanley Sum?
Stanley Sum has a verified email address on file on CTO Rank. They work at Rakuten. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Stanley Sum work for?
Stanley Sum is Manager, IT Strategy Department | CIO Office at Rakuten, a company in the information technology & services industry with 30000 employees. The company is headquartered in Setagaya, Tokyo, Japan.
What is Stanley Sum's role in technology leadership?
Stanley Sum is classified as a CIO leader at the c-suite level.
What technologies does Stanley Sum's organization use?
Stanley Sum's organization uses a technology stack that includes Akamai, Outlook, Facebook Widget, New Relic, Bootstrap Framework, Google AdWords Conversion. This information is useful for sales teams, recruiters, and technology vendors.
Is Stanley Sum open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Stanley Sum using the verified contact information available to Pro members. When recruiting a Manager, IT Strategy Department | CIO Office, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Stanley Sum at Rakuten?
Stanley Sum is Manager, IT Strategy Department | CIO Office at Rakuten. CIOs like Stanley Sum typically evaluate vendors in Akamai, Outlook, Facebook Widget, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Stanley Sum's profile data?
CTO Rank verifies and refreshes profile data weekly. Stanley Sum's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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