Company Details
Technology Stack
Professional Summary
Koichi Yoshimura is Director of Engineering at Proofpoint. Proofpoint operates in the computer & network security industry and has 3700 employees. Based in Los Altos, California, United States. Classified as a director-level Director of Engineering leader. Their organization's technology stack includes UltraDns, Microsoft Office 365, DemandBase, Drupal, VueJS, and 6 other technologies. Proofpoint reports annual revenue of 1050010000.
Position in the CTO Rank Database
- • Typical Director of Engineering compensation in California: $180,000 – $340,000 (median $240,000). 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 Koichi Yoshimura?
Koichi Yoshimura has a verified email address on file on CTO Rank. They work at Proofpoint. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Koichi Yoshimura work for?
Koichi Yoshimura is Director of Engineering at Proofpoint, a company in the computer & network security industry with 3700 employees. The company is headquartered in Sunnyvale, California, United States.
What is Koichi Yoshimura's role in technology leadership?
Koichi Yoshimura is classified as a Director of Engineering leader at the director level.
What technologies does Koichi Yoshimura's organization use?
Koichi Yoshimura's organization uses a technology stack that includes UltraDns, Microsoft Office 365, DemandBase, Drupal, VueJS, WP Engine. This information is useful for sales teams, recruiters, and technology vendors.
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Can I pitch or sell to Koichi Yoshimura at Proofpoint?
Koichi Yoshimura is Director of Engineering at Proofpoint. Director of Engineerings like Koichi Yoshimura typically evaluate vendors in UltraDns, Microsoft Office 365, DemandBase, and related categories. Use CTO Rank Pro to get verified email and approach directly.
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