Company Details
Technology Stack
Professional Summary
Selwyn Hanslo is Chief Information Security Officer at Upwork. Upwork operates in the information technology & services industry and has 600 employees. Based in Johannesburg, Gauteng, South Africa. Classified as a c-suite-level CISO leader. Their organization's technology stack includes Cloudflare DNS, Mailchimp Mandrill, Gmail, Google Apps, Microsoft Office 365, and 9 other technologies. Upwork reports annual revenue of 771094000.
Position in the CTO Rank Database
- • Typical CISO compensation in Gauteng: $220,000 – $480,000 (median $340,000). 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 Selwyn Hanslo?
Selwyn Hanslo has a verified email address on file on CTO Rank. They work at Upwork. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Selwyn Hanslo work for?
Selwyn Hanslo is Chief Information Security Officer at Upwork, a company in the information technology & services industry with 600 employees.
What is Selwyn Hanslo's role in technology leadership?
Selwyn Hanslo is classified as a CISO leader at the c-suite level.
What technologies does Selwyn Hanslo's organization use?
Selwyn Hanslo's organization uses a technology stack that includes Cloudflare DNS, Mailchimp Mandrill, Gmail, Google Apps, Microsoft Office 365, CloudFlare Hosting. This information is useful for sales teams, recruiters, and technology vendors.
Is Selwyn Hanslo open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Selwyn Hanslo using the verified contact information available to Pro members. When recruiting a Chief Information Security Officer, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Selwyn Hanslo at Upwork?
Selwyn Hanslo is Chief Information Security Officer at Upwork. CISOs like Selwyn Hanslo typically evaluate vendors in Cloudflare DNS, Mailchimp Mandrill, Gmail, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Selwyn Hanslo's profile data?
CTO Rank verifies and refreshes profile data weekly. Selwyn Hanslo's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
Get full access
Unlock verified emails, phone numbers, LinkedIn profiles, and CSV exports for 485,000+ tech leaders.
Upgrade to Pro