Company Details
Technology Stack
Professional Summary
Willis Chen is Senior Engineering Manager at Five9. Five9 operates in the information technology & services industry and has 3100 employees. Based in England, United Kingdom. Classified as a manager-level Engineering Manager leader. Their organization's technology stack includes Fastly CDN, Salesforce, Cloudflare DNS, MailJet, Mimecast, and 47 other technologies. Five9 reports annual revenue of 1041938000.
Industry & Role Insights
- • CTO Rank tracks 128,091 Engineering Manager 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 46 tech leaders at Five9.
- • 28,246 tech leaders in England are available in our database.
Position in the CTO Rank Database
- • Willis Chen is 1 of 128,998 leaders with the Engineering Manager role tracked in the CTO Rank database.
- • 44,309 hold the Engineering Manager role at information technology & services companies (out of 167,492 total information technology & services leaders in our database).
- • Typical Engineering Manager compensation in England: $150,000 – $280,000 (median $200,000). 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 May 2026.
Frequently Asked Questions
How do I contact Willis Chen?
Willis Chen has a verified email address on file on CTO Rank. They work at Five9. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Willis Chen work for?
Willis Chen is Senior Engineering Manager at Five9, a company in the information technology & services industry with 3100 employees. The company is headquartered in San Ramon, California, United States.
What is Willis Chen's role in technology leadership?
Willis Chen is classified as a Engineering Manager leader at the manager level.
What technologies does Willis Chen's organization use?
Willis Chen's organization uses a technology stack that includes Fastly CDN, Salesforce, Cloudflare DNS, MailJet, Mimecast, Outlook. This information is useful for sales teams, recruiters, and technology vendors.
Is Willis Chen open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Willis Chen using the verified contact information available to Pro members. When recruiting a Senior Engineering Manager, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Willis Chen at Five9?
Willis Chen is Senior Engineering Manager at Five9. Engineering Managers like Willis Chen typically evaluate vendors in Fastly CDN, Salesforce, Cloudflare DNS, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Willis Chen's profile data?
CTO Rank verifies and refreshes profile data weekly. Willis Chen's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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