Fred O'Sullivan
Senior Director of Infrastructure Public Cloud at Workday
Company Details
Technology Stack
Professional Summary
Fred O'Sullivan is Senior Director of Infrastructure Public Cloud at Workday. Workday operates in the information technology & services industry and has 21000 employees. Based in Ireland. Classified as a director-level Director of Cloud/Infra leader. Their organization's technology stack includes Amazon CloudFront, NSOne, Route 53, UltraDns, Microsoft Office 365, and 67 other technologies. Workday reports annual revenue of 8674000000.
Industry & Role Insights
- • CTO Rank tracks 2,586 Director of Cloud/Infra 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 347 tech leaders at Workday.
Position in the CTO Rank Database
- • Fred O'Sullivan is 1 of 2,609 leaders with the Director of Cloud/Infra role tracked in the CTO Rank database.
- • 851 hold the Director of Cloud/Infra role at information technology & services companies (out of 167,492 total information technology & services leaders in our database).
- • 16 hold the Director of Cloud/Infra role at companies with 21000 employees.
- • Typical Director of Cloud/Infra compensation: $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 Fred O'Sullivan?
Fred O'Sullivan has a verified email address on file on CTO Rank. They work at Workday. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Fred O'Sullivan work for?
Fred O'Sullivan is Senior Director of Infrastructure Public Cloud at Workday, a company in the information technology & services industry with 21000 employees. The company is headquartered in Pleasanton, California, United States.
What is Fred O'Sullivan's role in technology leadership?
Fred O'Sullivan is classified as a Director of Cloud/Infra leader at the director level.
What technologies does Fred O'Sullivan's organization use?
Fred O'Sullivan's organization uses a technology stack that includes Amazon CloudFront, NSOne, Route 53, UltraDns, Microsoft Office 365, DemandBase. This information is useful for sales teams, recruiters, and technology vendors.
Is Fred O'Sullivan open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Fred O'Sullivan using the verified contact information available to Pro members. When recruiting a Senior Director of Infrastructure Public Cloud, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Fred O'Sullivan at Workday?
Fred O'Sullivan is Senior Director of Infrastructure Public Cloud at Workday. Director of Cloud/Infras like Fred O'Sullivan typically evaluate vendors in Amazon CloudFront, NSOne, Route 53, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Fred O'Sullivan's profile data?
CTO Rank verifies and refreshes profile data weekly. Fred O'Sullivan's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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